{
"query": {
"display": "$$5\\cos\\left(c\\right)+\\sqrt{23}=0$$",
"symbolab_question": "EQUATION#5\\cos(c)+\\sqrt{23}=0"
},
"solution": {
"level": "PERFORMED",
"subject": "Trigonometry",
"topic": "Trig Equations",
"subTopic": "Trig Equations",
"default": "c=2.85483…+2πn,c=-2.85483…+2πn",
"degrees": "c=163.57005…^{\\circ }+360^{\\circ }n,c=-163.57005…^{\\circ }+360^{\\circ }n",
"meta": {
"showVerify": true
}
},
"steps": {
"type": "interim",
"title": "$$5\\cos\\left(c\\right)+\\sqrt{23}=0{\\quad:\\quad}c=2.85483…+2πn,\\:c=-2.85483…+2πn$$",
"input": "5\\cos\\left(c\\right)+\\sqrt{23}=0",
"steps": [
{
"type": "interim",
"title": "Move $$\\sqrt{23}\\:$$to the right side",
"input": "5\\cos\\left(c\\right)+\\sqrt{23}=0",
"result": "5\\cos\\left(c\\right)=-\\sqrt{23}",
"steps": [
{
"type": "step",
"primary": "Subtract $$\\sqrt{23}$$ from both sides",
"result": "5\\cos\\left(c\\right)+\\sqrt{23}-\\sqrt{23}=0-\\sqrt{23}"
},
{
"type": "step",
"primary": "Simplify",
"result": "5\\cos\\left(c\\right)=-\\sqrt{23}"
}
],
"meta": {
"interimType": "Move to the Right Title 1Eq",
"gptData": "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"
}
},
{
"type": "interim",
"title": "Divide both sides by $$5$$",
"input": "5\\cos\\left(c\\right)=-\\sqrt{23}",
"result": "\\cos\\left(c\\right)=-\\frac{\\sqrt{23}}{5}",
"steps": [
{
"type": "step",
"primary": "Divide both sides by $$5$$",
"result": "\\frac{5\\cos\\left(c\\right)}{5}=\\frac{-\\sqrt{23}}{5}"
},
{
"type": "step",
"primary": "Simplify",
"result": "\\cos\\left(c\\right)=-\\frac{\\sqrt{23}}{5}"
}
],
"meta": {
"interimType": "Divide Both Sides Specific 1Eq",
"gptData": "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"
}
},
{
"type": "interim",
"title": "Apply trig inverse properties",
"input": "\\cos\\left(c\\right)=-\\frac{\\sqrt{23}}{5}",
"result": "c=\\arccos\\left(-\\frac{\\sqrt{23}}{5}\\right)+2πn,\\:c=-\\arccos\\left(-\\frac{\\sqrt{23}}{5}\\right)+2πn",
"steps": [
{
"type": "step",
"primary": "General solutions for $$\\cos\\left(c\\right)=-\\frac{\\sqrt{23}}{5}$$",
"secondary": [
"$$\\cos\\left(x\\right)=-a\\quad\\Rightarrow\\quad\\:x=\\arccos\\left(-a\\right)+2πn,\\:\\quad\\:x=-\\arccos\\left(-a\\right)+2πn$$"
],
"result": "c=\\arccos\\left(-\\frac{\\sqrt{23}}{5}\\right)+2πn,\\:c=-\\arccos\\left(-\\frac{\\sqrt{23}}{5}\\right)+2πn"
}
],
"meta": {
"interimType": "Trig Apply Inverse Props 0Eq"
}
},
{
"type": "step",
"primary": "Show solutions in decimal form",
"result": "c=2.85483…+2πn,\\:c=-2.85483…+2πn"
}
],
"meta": {
"solvingClass": "Trig Equations",
"practiceLink": "/practice/trigonometry-practice#area=main&subtopic=Trig%20Equations",
"practiceTopic": "Trig Equations"
}
},
"plot_output": {
"meta": {
"plotInfo": {
"variable": "c",
"plotRequest": "5\\cos(c)+\\sqrt{23}"
},
"showViewLarger": true
}
},
"meta": {
"showVerify": true
}
}
Solution
Solution
+1
Degrees
Solution steps
Move to the right side
Subtract from both sides
Simplify
Divide both sides by
Divide both sides by
Simplify
Apply trig inverse properties
General solutions for
Show solutions in decimal form
Graph
Popular Examples
Frequently Asked Questions (FAQ)
What is the general solution for 5cos(c)+sqrt(23)=0 ?
The general solution for 5cos(c)+sqrt(23)=0 is c=2.85483…+2pin,c=-2.85483…+2pin