{
"query": {
"display": "$$\\sin\\left(4k-22\\right)=\\cos\\left(6k-13\\right)$$",
"symbolab_question": "EQUATION#\\sin(4k-22)=\\cos(6k-13)"
},
"solution": {
"level": "PERFORMED",
"subject": "Trigonometry",
"topic": "Trig Equations",
"subTopic": "Trig Equations",
"default": "k=\\frac{4πn+70+π}{20},k=-\\frac{4πn+18+π}{4}",
"degrees": "k=209.53522…^{\\circ }+36^{\\circ }n,k=-302.83100…^{\\circ }-180^{\\circ }n",
"meta": {
"showVerify": true
}
},
"steps": {
"type": "interim",
"title": "$$\\sin\\left(4k-22\\right)=\\cos\\left(6k-13\\right){\\quad:\\quad}k=\\frac{4πn+70+π}{20},\\:k=-\\frac{4πn+18+π}{4}$$",
"input": "\\sin\\left(4k-22\\right)=\\cos\\left(6k-13\\right)",
"steps": [
{
"type": "interim",
"title": "Rewrite using trig identities",
"input": "\\sin\\left(4k-22\\right)=\\cos\\left(6k-13\\right)",
"result": "\\sin\\left(4k-22\\right)=\\sin\\left(\\frac{π}{2}-\\left(6k-13\\right)\\right)",
"steps": [
{
"type": "step",
"primary": "Use the following identity: $$\\cos\\left(x\\right)=\\sin\\left(\\frac{π}{2}-x\\right)$$",
"result": "\\sin\\left(4k-22\\right)=\\sin\\left(\\frac{π}{2}-\\left(6k-13\\right)\\right)"
}
],
"meta": {
"interimType": "Trig Rewrite Using Trig identities 0Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7Awm8OHaUUE5X73KqyTFjFPcXCbm3WxOysXE7W7oSEPzPEKKodBz0iY1Gjq40UtjwCL1WefiKaC4ihafc3V6qN0YiRvdBbbDvLg3zdFKS1tz+RS6nKnvFfEHxiYoRDkegsyEzxQiTjXdrYUsk9Xkq6G1DnVhU7cPoA+NNczCSWtNQcb3SKnq43PZ96Gcwxa2f8LfSxJ+0AgVLpCSnLX0iSpNlUHajxrJmE2mMnrJZR00XOCl7PMYCTYi5CcK9G/+TialcV/dI5TH4fXyp+ncwuA=="
}
},
{
"type": "interim",
"title": "Apply trig inverse properties",
"input": "\\sin\\left(4k-22\\right)=\\sin\\left(\\frac{π}{2}-\\left(6k-13\\right)\\right)",
"result": "4k-22=\\frac{π}{2}-\\left(6k-13\\right)+2πn,\\:4k-22=π-\\left(\\frac{π}{2}-\\left(6k-13\\right)\\right)+2πn",
"steps": [
{
"type": "step",
"primary": "$$\\sin\\left(x\\right)=\\sin\\left(y\\right)\\quad\\Rightarrow\\quad\\:x=y+2{\\pi}n,\\:x=\\pi-y+2{\\pi}n$$",
"result": "4k-22=\\frac{π}{2}-\\left(6k-13\\right)+2πn,\\:4k-22=π-\\left(\\frac{π}{2}-\\left(6k-13\\right)\\right)+2πn"
}
],
"meta": {
"interimType": "Trig Apply Inverse Props 0Eq"
}
},
{
"type": "interim",
"title": "$$4k-22=\\frac{π}{2}-\\left(6k-13\\right)+2πn{\\quad:\\quad}k=\\frac{4πn+70+π}{20}$$",
"input": "4k-22=\\frac{π}{2}-\\left(6k-13\\right)+2πn",
"steps": [
{
"type": "interim",
"title": "Expand $$\\frac{π}{2}-\\left(6k-13\\right)+2πn:{\\quad}\\frac{π}{2}-6k+13+2πn$$",
"input": "\\frac{π}{2}-\\left(6k-13\\right)+2πn",
"steps": [
{
"type": "interim",
"title": "$$-\\left(6k-13\\right):{\\quad}-6k+13$$",
"input": "-\\left(6k-13\\right)",
"result": "=\\frac{π}{2}-6k+13+2πn",
"steps": [
{
"type": "step",
"primary": "Distribute parentheses",
"result": "=-\\left(6k\\right)-\\left(-13\\right)"
},
{
"type": "step",
"primary": "Apply minus-plus rules",
"secondary": [
"$$-\\left(-a\\right)=a,\\:\\:\\:-\\left(a\\right)=-a$$"
],
"result": "=-6k+13"
}
],
"meta": {
"interimType": "N/A"
}
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Generic Expand Specific 1Eq",
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}
},
{
"type": "step",
"result": "4k-22=\\frac{π}{2}-6k+13+2πn"
},
{
"type": "interim",
"title": "Move $$22\\:$$to the right side",
"input": "4k-22=\\frac{π}{2}-6k+13+2πn",
"result": "4k=-6k+2πn+35+\\frac{π}{2}",
"steps": [
{
"type": "step",
"primary": "Add $$22$$ to both sides",
"result": "4k-22+22=\\frac{π}{2}-6k+13+2πn+22"
},
{
"type": "interim",
"title": "Simplify",
"input": "4k-22+22=\\frac{π}{2}-6k+13+2πn+22",
"result": "4k=-6k+2πn+35+\\frac{π}{2}",
"steps": [
{
"type": "interim",
"title": "Simplify $$4k-22+22:{\\quad}4k$$",
"input": "4k-22+22",
"steps": [
{
"type": "step",
"primary": "Add similar elements: $$-22+22=0$$"
},
{
"type": "step",
"result": "=4k"
}
],
"meta": {
"interimType": "Generic Simplify Specific 1Eq"
}
},
{
"type": "interim",
"title": "Simplify $$\\frac{π}{2}-6k+13+2πn+22:{\\quad}-6k+2πn+35+\\frac{π}{2}$$",
"input": "\\frac{π}{2}-6k+13+2πn+22",
"steps": [
{
"type": "step",
"primary": "Group like terms",
"result": "=-6k+2πn+\\frac{π}{2}+13+22"
},
{
"type": "step",
"primary": "Add the numbers: $$13+22=35$$",
"result": "=-6k+2πn+35+\\frac{π}{2}"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Generic Simplify Specific 1Eq",
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}
},
{
"type": "step",
"result": "4k=-6k+2πn+35+\\frac{π}{2}"
}
],
"meta": {
"interimType": "Generic Simplify 0Eq"
}
}
],
"meta": {
"interimType": "Move to the Right Title 1Eq",
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}
},
{
"type": "interim",
"title": "Move $$6k\\:$$to the left side",
"input": "4k=-6k+2πn+35+\\frac{π}{2}",
"result": "10k=2πn+35+\\frac{π}{2}",
"steps": [
{
"type": "step",
"primary": "Add $$6k$$ to both sides",
"result": "4k+6k=-6k+2πn+35+\\frac{π}{2}+6k"
},
{
"type": "step",
"primary": "Simplify",
"result": "10k=2πn+35+\\frac{π}{2}"
}
],
"meta": {
"interimType": "Move to the Left Title 1Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s76G/8YiI4wc4t+PatyP86TsZE7l7aDy9UjsqASfd3IG32QZaRndVg2PqORl+j23Rfo7DuKveSVJ4aHaa6/aKmUbUJI5aQrMfueMgNU8oSsRhI7j61i0jpQKUJWDSD5ZMPwJoi7ATPes9rwnhjqt0AQ5XPRCqbzN0xRNvnNA5J+HZPoT5n6VgV9GoCdDbqwO+cLC1i/6Bg/vlotNlxPsrgndGcl80FAo6F74r1jOnQmE3i9rijpllC3oQrllyLV3noFXuQzv0kVaj5u/ymxG8NxyrbftOuDjtKdezz9ePMS9zqKfTY/sr2fohY2yvsNU41+vLEoqjo/5Zi5jUVYwXFoMZpLIRI36cgW7I6XuW6eygL51KBWFt3zmWxPEqKWUO+o/9n6x9LugUhVTJX0/augd54EyAj7KPGkTTUXhjh3OCEWjHu1bop70NCCXRKpm2fR99JKDamXXAtCEmB1LDbBpbDMTzfg7uuummGGR+Y+tGSHDj7QYxMH+TQeqyYEZC+OspKRhBsbI2TPV0AgpgNiLULp1Lgi76cBmAIb4qPpk1vWuJ/N119Xw4ptT5J4VGgeqXxdc+rps1CUyb7fqI2GcEUGdwqIk/fkOsVEPda1qP3bcy8gkguJC5RoR6qZoEoW8kquA4hK92kCG+w1kb6eA=="
}
},
{
"type": "interim",
"title": "Divide both sides by $$10$$",
"input": "10k=2πn+35+\\frac{π}{2}",
"result": "k=\\frac{4πn+70+π}{20}",
"steps": [
{
"type": "step",
"primary": "Divide both sides by $$10$$",
"result": "\\frac{10k}{10}=\\frac{2πn}{10}+\\frac{35}{10}+\\frac{\\frac{π}{2}}{10}"
},
{
"type": "interim",
"title": "Simplify",
"input": "\\frac{10k}{10}=\\frac{2πn}{10}+\\frac{35}{10}+\\frac{\\frac{π}{2}}{10}",
"result": "k=\\frac{4πn+70+π}{20}",
"steps": [
{
"type": "interim",
"title": "Simplify $$\\frac{10k}{10}:{\\quad}k$$",
"input": "\\frac{10k}{10}",
"steps": [
{
"type": "step",
"primary": "Divide the numbers: $$\\frac{10}{10}=1$$",
"result": "=k"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Generic Simplify Specific 1Eq",
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}
},
{
"type": "interim",
"title": "Simplify $$\\frac{2πn}{10}+\\frac{35}{10}+\\frac{\\frac{π}{2}}{10}:{\\quad}\\frac{4πn+70+π}{20}$$",
"input": "\\frac{2πn}{10}+\\frac{35}{10}+\\frac{\\frac{π}{2}}{10}",
"steps": [
{
"type": "step",
"primary": "Apply rule $$\\frac{a}{c}\\pm\\frac{b}{c}=\\frac{a\\pm\\:b}{c}$$",
"result": "=\\frac{2πn+35+\\frac{π}{2}}{10}"
},
{
"type": "interim",
"title": "Join $$2πn+35+\\frac{π}{2}:{\\quad}\\frac{4πn+70+π}{2}$$",
"input": "2πn+35+\\frac{π}{2}",
"result": "=\\frac{\\frac{4πn+70+π}{2}}{10}",
"steps": [
{
"type": "step",
"primary": "Convert element to fraction: $$2πn=\\frac{2πn2}{2},\\:35=\\frac{35\\cdot\\:2}{2}$$",
"result": "=\\frac{2πn\\cdot\\:2}{2}+\\frac{35\\cdot\\:2}{2}+\\frac{π}{2}"
},
{
"type": "step",
"primary": "Since the denominators are equal, combine the fractions: $$\\frac{a}{c}\\pm\\frac{b}{c}=\\frac{a\\pm\\:b}{c}$$",
"result": "=\\frac{2πn\\cdot\\:2+35\\cdot\\:2+π}{2}"
},
{
"type": "interim",
"title": "$$2πn\\cdot\\:2+35\\cdot\\:2+π=4πn+70+π$$",
"input": "2πn\\cdot\\:2+35\\cdot\\:2+π",
"steps": [
{
"type": "step",
"primary": "Multiply the numbers: $$2\\cdot\\:2=4$$",
"result": "=4πn+35\\cdot\\:2+π"
},
{
"type": "step",
"primary": "Multiply the numbers: $$35\\cdot\\:2=70$$",
"result": "=4πn+70+π"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Solver",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s722rs/UtTzhh0/11VX7Cb4/q/2okUI6gJC7Pdm5qyNOcgJ/ZZA32ZInFBpDtxBfiKSQa81OmZKqPqNAFWPJMxvHBL6UdhVd6AiqtRImFj5WIoeNmmfAlWrUtbw1ZVoKYvGu3e297/TORiWh81AVbh7pi7XTMP075Q4L+afXS54WU="
}
},
{
"type": "step",
"result": "=\\frac{4πn+70+π}{2}"
}
],
"meta": {
"interimType": "Algebraic Manipulation Join Concise Title 1Eq"
}
},
{
"type": "step",
"primary": "Apply the fraction rule: $$\\frac{\\frac{b}{c}}{a}=\\frac{b}{c\\:\\cdot\\:a}$$",
"result": "=\\frac{4πn+70+π}{2\\cdot\\:10}"
},
{
"type": "step",
"primary": "Multiply the numbers: $$2\\cdot\\:10=20$$",
"result": "=\\frac{4πn+70+π}{20}"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Generic Simplify Specific 1Eq",
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}
},
{
"type": "step",
"result": "k=\\frac{4πn+70+π}{20}"
}
],
"meta": {
"interimType": "Generic Simplify 0Eq"
}
}
],
"meta": {
"interimType": "Divide Both Sides Specific 1Eq",
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}
}
],
"meta": {
"solvingClass": "Equations",
"interimType": "Equations"
}
},
{
"type": "interim",
"title": "$$4k-22=π-\\left(\\frac{π}{2}-\\left(6k-13\\right)\\right)+2πn{\\quad:\\quad}k=-\\frac{4πn+18+π}{4}$$",
"input": "4k-22=π-\\left(\\frac{π}{2}-\\left(6k-13\\right)\\right)+2πn",
"steps": [
{
"type": "interim",
"title": "Expand $$π-\\left(\\frac{π}{2}-\\left(6k-13\\right)\\right)+2πn:{\\quad}π-\\frac{π}{2}+6k-13+2πn$$",
"input": "π-\\left(\\frac{π}{2}-\\left(6k-13\\right)\\right)+2πn",
"steps": [
{
"type": "interim",
"title": "$$-\\left(6k-13\\right):{\\quad}-6k+13$$",
"input": "-\\left(6k-13\\right)",
"steps": [
{
"type": "step",
"primary": "Distribute parentheses",
"result": "=-\\left(6k\\right)-\\left(-13\\right)"
},
{
"type": "step",
"primary": "Apply minus-plus rules",
"secondary": [
"$$-\\left(-a\\right)=a,\\:\\:\\:-\\left(a\\right)=-a$$"
],
"result": "=-6k+13"
}
],
"meta": {
"interimType": "N/A"
}
},
{
"type": "step",
"result": "=π-\\left(-6k+13+\\frac{π}{2}\\right)+2πn"
},
{
"type": "interim",
"title": "$$-\\left(\\frac{π}{2}-6k+13\\right):{\\quad}-\\frac{π}{2}+6k-13$$",
"input": "-\\left(\\frac{π}{2}-6k+13\\right)",
"result": "=π-\\frac{π}{2}+6k-13+2πn",
"steps": [
{
"type": "step",
"primary": "Distribute parentheses",
"result": "=-\\left(\\frac{π}{2}\\right)-\\left(-6k\\right)-\\left(13\\right)"
},
{
"type": "step",
"primary": "Apply minus-plus rules",
"secondary": [
"$$-\\left(-a\\right)=a,\\:\\:\\:-\\left(a\\right)=-a$$"
],
"result": "=-\\frac{π}{2}+6k-13"
}
],
"meta": {
"interimType": "N/A"
}
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Generic Expand Specific 1Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7y8RdtQbqcqkCTkMN3ZLu83XmbItKHzsKF15icKaiQkNBjVVD4RkOtbuKMppP6H5Em8Cy3/+KhUDPMF7zx3LrTDrItGTK5senSF/kdAFuKtRFKk3fejFkyiOiq9iG9IkAg+TSL+/6ntLOpwwfva9DT9BBED7eEz/5dwfOroArw2U1ewVf3JoUCRbFtKPHPOSW"
}
},
{
"type": "step",
"result": "4k-22=π-\\frac{π}{2}+6k-13+2πn"
},
{
"type": "interim",
"title": "Move $$22\\:$$to the right side",
"input": "4k-22=π-\\frac{π}{2}+6k-13+2πn",
"result": "4k=6k+2πn+9+π-\\frac{π}{2}",
"steps": [
{
"type": "step",
"primary": "Add $$22$$ to both sides",
"result": "4k-22+22=π-\\frac{π}{2}+6k-13+2πn+22"
},
{
"type": "interim",
"title": "Simplify",
"input": "4k-22+22=π-\\frac{π}{2}+6k-13+2πn+22",
"result": "4k=6k+2πn+9+π-\\frac{π}{2}",
"steps": [
{
"type": "interim",
"title": "Simplify $$4k-22+22:{\\quad}4k$$",
"input": "4k-22+22",
"steps": [
{
"type": "step",
"primary": "Add similar elements: $$-22+22=0$$"
},
{
"type": "step",
"result": "=4k"
}
],
"meta": {
"interimType": "Generic Simplify Specific 1Eq"
}
},
{
"type": "interim",
"title": "Simplify $$π-\\frac{π}{2}+6k-13+2πn+22:{\\quad}6k+2πn+9+π-\\frac{π}{2}$$",
"input": "π-\\frac{π}{2}+6k-13+2πn+22",
"steps": [
{
"type": "step",
"primary": "Group like terms",
"result": "=6k+π+2πn-\\frac{π}{2}-13+22"
},
{
"type": "step",
"primary": "Add/Subtract the numbers: $$-13+22=9$$",
"result": "=6k+2πn+9+π-\\frac{π}{2}"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Generic Simplify Specific 1Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7cXkxxIJhdmQPmbj1hY14lbfNVFvHbAU5uESriWrGtZ4AlilG71elit3w1IBbYN0PK3/rrIgRHBx10Bho/grBtnzBnyO4acN93zVGfyUsiyCxhEN+qWXkRtTRqNBdv+BOTeQKHeh69S6dnv9vSoUoFMYgODOEypui9lQ8s3G5vIlTWZarNrQvf6tDoE9NL47dj/dAlIaVE90Oq8BGdhHRbQ=="
}
},
{
"type": "step",
"result": "4k=6k+2πn+9+π-\\frac{π}{2}"
}
],
"meta": {
"interimType": "Generic Simplify 0Eq"
}
}
],
"meta": {
"interimType": "Move to the Right Title 1Eq",
"gptData": "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"
}
},
{
"type": "interim",
"title": "Move $$6k\\:$$to the left side",
"input": "4k=6k+2πn+9+π-\\frac{π}{2}",
"result": "-2k=2πn+9+π-\\frac{π}{2}",
"steps": [
{
"type": "step",
"primary": "Subtract $$6k$$ from both sides",
"result": "4k-6k=6k+2πn+9+π-\\frac{π}{2}-6k"
},
{
"type": "step",
"primary": "Simplify",
"result": "-2k=2πn+9+π-\\frac{π}{2}"
}
],
"meta": {
"interimType": "Move to the Left Title 1Eq",
"gptData": "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"
}
},
{
"type": "interim",
"title": "Divide both sides by $$-2$$",
"input": "-2k=2πn+9+π-\\frac{π}{2}",
"result": "k=-\\frac{4πn+18+π}{4}",
"steps": [
{
"type": "step",
"primary": "Divide both sides by $$-2$$",
"result": "\\frac{-2k}{-2}=\\frac{2πn}{-2}+\\frac{9}{-2}+\\frac{π}{-2}-\\frac{\\frac{π}{2}}{-2}"
},
{
"type": "interim",
"title": "Simplify",
"input": "\\frac{-2k}{-2}=\\frac{2πn}{-2}+\\frac{9}{-2}+\\frac{π}{-2}-\\frac{\\frac{π}{2}}{-2}",
"result": "k=-\\frac{4πn+18+π}{4}",
"steps": [
{
"type": "interim",
"title": "Simplify $$\\frac{-2k}{-2}:{\\quad}k$$",
"input": "\\frac{-2k}{-2}",
"steps": [
{
"type": "step",
"primary": "Apply the fraction rule: $$\\frac{-a}{-b}=\\frac{a}{b}$$",
"result": "=\\frac{2k}{2}"
},
{
"type": "step",
"primary": "Divide the numbers: $$\\frac{2}{2}=1$$",
"result": "=k"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Generic Simplify Specific 1Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s77PtZCL4LuTm507GPvUlqA3yRHuGw7+tM5METTDj6vVGBPx2+a2lHg0oydxbFHoIWZEt3ZXAiqUE0HIXrrrezJHZKl2mV4AlztiApTAFigz2aW6Mq1D6KrnLMpVwZUKHKialcV/dI5TH4fXyp+ncwuA=="
}
},
{
"type": "interim",
"title": "Simplify $$\\frac{2πn}{-2}+\\frac{9}{-2}+\\frac{π}{-2}-\\frac{\\frac{π}{2}}{-2}:{\\quad}-\\frac{4πn+18+π}{4}$$",
"input": "\\frac{2πn}{-2}+\\frac{9}{-2}+\\frac{π}{-2}-\\frac{\\frac{π}{2}}{-2}",
"steps": [
{
"type": "step",
"primary": "Apply rule $$\\frac{a}{c}\\pm\\frac{b}{c}=\\frac{a\\pm\\:b}{c}$$",
"result": "=\\frac{2πn+9+π-\\frac{π}{2}}{-2}"
},
{
"type": "step",
"primary": "Apply the fraction rule: $$\\frac{a}{-b}=-\\frac{a}{b}$$",
"result": "=-\\frac{2πn+9+π-\\frac{π}{2}}{2}"
},
{
"type": "interim",
"title": "Join $$2πn+9+π-\\frac{π}{2}:{\\quad}\\frac{4πn+18+π}{2}$$",
"input": "2πn+9+π-\\frac{π}{2}",
"result": "=-\\frac{\\frac{4πn+π+18}{2}}{2}",
"steps": [
{
"type": "step",
"primary": "Convert element to fraction: $$2πn=\\frac{2πn2}{2},\\:9=\\frac{9\\cdot\\:2}{2},\\:π=\\frac{π2}{2}$$",
"result": "=\\frac{2πn\\cdot\\:2}{2}+\\frac{9\\cdot\\:2}{2}+\\frac{π2}{2}-\\frac{π}{2}"
},
{
"type": "step",
"primary": "Since the denominators are equal, combine the fractions: $$\\frac{a}{c}\\pm\\frac{b}{c}=\\frac{a\\pm\\:b}{c}$$",
"result": "=\\frac{2πn\\cdot\\:2+9\\cdot\\:2+π2-π}{2}"
},
{
"type": "interim",
"title": "$$2πn\\cdot\\:2+9\\cdot\\:2+π2-π=4πn+18+π$$",
"input": "2πn\\cdot\\:2+9\\cdot\\:2+π2-π",
"steps": [
{
"type": "step",
"primary": "Add similar elements: $$2π-π=π$$",
"result": "=2\\cdot\\:2πn+9\\cdot\\:2+π"
},
{
"type": "step",
"primary": "Multiply the numbers: $$2\\cdot\\:2=4$$",
"result": "=4πn+9\\cdot\\:2+π"
},
{
"type": "step",
"primary": "Multiply the numbers: $$9\\cdot\\:2=18$$",
"result": "=4πn+18+π"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Solver",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7E/dj4CaUABcf8j8h2k1srSbO4qdcMrY0MX32hceMXHwtOtZYwUjyXhDTsNnn6ElrzdaHCbSDaKafeOSN7exCSISgepjXagyIYoB75mg7d6V4ccKGo8zkK1RnBb5QdtajD0C4LZMR5eUEh5h4dzdgsPDLbBwkrohb5TxdzvugamQkt3WiGR7ZaCaXvz77bMjS"
}
},
{
"type": "step",
"result": "=\\frac{4πn+18+π}{2}"
}
],
"meta": {
"interimType": "Algebraic Manipulation Join Concise Title 1Eq"
}
},
{
"type": "interim",
"title": "Simplify $$\\frac{\\frac{4πn+18+π}{2}}{2}:{\\quad}\\frac{4πn+18+π}{4}$$",
"input": "\\frac{\\frac{4πn+18+π}{2}}{2}",
"result": "=-\\frac{4πn+π+18}{4}",
"steps": [
{
"type": "step",
"primary": "Apply the fraction rule: $$\\frac{\\frac{b}{c}}{a}=\\frac{b}{c\\:\\cdot\\:a}$$",
"result": "=\\frac{4πn+18+π}{2\\cdot\\:2}"
},
{
"type": "step",
"primary": "Multiply the numbers: $$2\\cdot\\:2=4$$",
"result": "=\\frac{4πn+18+π}{4}"
}
],
"meta": {
"interimType": "Algebraic Manipulation Simplify Title 1Eq"
}
},
{
"type": "step",
"result": "=-\\frac{4πn+18+π}{4}"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Generic Simplify Specific 1Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7rWv8Qj96y2UCfi+p66aEe5VWtoF5YIcSpmBKgi2gfhD6JmQmGhN5T09nu0ryBE30MKyKj9G1BDdEPct9TAt99RZlKnyhH/m7dbwTSHIRjaIDnzlbPZjyKgy1eUCFsLd5Hu5Tg5GDbKK5+ie6pksA+gnWAcApDGZtIblEounpGVPvbBmbuQNTF0TphKZ8Ruva8pOMITYik9N8AtIc49Ww1Y/9vhIs3KMCK3Uc3OIm/8rNDKCf8LTYPPE19Yg3NVgnn/anXQASVNGw6wx/UDwI+4t2AmtwFT61NSc18SZpzdkXNhBqqjki7uMbe9XK2IFD"
}
},
{
"type": "step",
"result": "k=-\\frac{4πn+18+π}{4}"
}
],
"meta": {
"interimType": "Generic Simplify 0Eq"
}
}
],
"meta": {
"interimType": "Divide Both Sides Specific 1Eq",
"gptData": "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"
}
},
{
"type": "step",
"result": "k=\\frac{4πn+70+π}{20},\\:k=-\\frac{4πn+18+π}{4}"
}
],
"meta": {
"solvingClass": "Equations",
"interimType": "Equations"
}
},
{
"type": "step",
"result": "k=\\frac{4πn+70+π}{20},\\:k=-\\frac{4πn+18+π}{4}"
}
],
"meta": {
"solvingClass": "Trig Equations",
"practiceLink": "/practice/trigonometry-practice#area=main&subtopic=Trig%20Equations",
"practiceTopic": "Trig Equations"
}
},
"plot_output": {
"meta": {
"plotInfo": {
"variable": "k",
"plotRequest": "\\sin(4k-22)-\\cos(6k-13)"
},
"showViewLarger": true
}
},
"meta": {
"showVerify": true
}
}
Solution
Solution
+1
Degrees
Solution steps
Rewrite using trig identities
Use the following identity:
Apply trig inverse properties
Expand
Distribute parentheses
Apply minus-plus rules
Move to the right side
Add to both sides
Simplify
Simplify
Add similar elements:
Simplify
Group like terms
Add the numbers:
Move to the left side
Add to both sides
Simplify
Divide both sides by
Divide both sides by
Simplify
Simplify
Divide the numbers:
Simplify
Apply rule
Join
Convert element to fraction:
Since the denominators are equal, combine the fractions:
Multiply the numbers:
Multiply the numbers:
Apply the fraction rule:
Multiply the numbers:
Expand
Distribute parentheses
Apply minus-plus rules
Distribute parentheses
Apply minus-plus rules
Move to the right side
Add to both sides
Simplify
Simplify
Add similar elements:
Simplify
Group like terms
Add/Subtract the numbers:
Move to the left side
Subtract from both sides
Simplify
Divide both sides by
Divide both sides by
Simplify
Simplify
Apply the fraction rule:
Divide the numbers:
Simplify
Apply rule
Apply the fraction rule:
Join
Convert element to fraction:
Since the denominators are equal, combine the fractions:
Add similar elements:
Multiply the numbers:
Multiply the numbers:
Simplify
Apply the fraction rule:
Multiply the numbers:
Graph
Popular Examples
cos(2x)csc^2(x)=2cos(2x)2tan(x)sin(x)=sqrt(3)tan(x)tan^3(2x)-tan^2(2x)-tan(2x)+1=0tan(x)=-sqrt(2)+1sin(θ)= 12/20
Frequently Asked Questions (FAQ)
What is the general solution for sin(4k-22)=cos(6k-13) ?
The general solution for sin(4k-22)=cos(6k-13) is k=(4pin+70+pi}{20},k=-\frac{4pin+18+pi)/4