{ "query": { "display": "cartesian to polar $$\\left(2\\sqrt{3},\\:2\\right)$$", "symbolab_question": "POLAR#polar (2\\sqrt{3},2)" }, "solution": { "level": "PERFORMED", "subject": "Pre Calculus", "topic": "Polar Coordinates", "subTopic": "Polar", "default": "(4,\\frac{π}{6})" }, "steps": { "type": "interim", "title": "Convert $$\\left(2\\sqrt{3},\\:2\\right)\\:$$to polar coordinates:$${\\quad}\\left(4,\\:\\frac{π}{6}\\right)$$", "steps": [ { "type": "definition", "title": "Definition", "text": "To convert Cartesian coordinates $$\\left(x,\\:y\\right)\\:$$to Polar coordinates $$\\left(r,\\:\\theta\\right)\\:$$apply:<br/>$$r=\\sqrt{x^2+y^2}\\quad\\theta=\\arctan\\left(\\frac{y}{x}\\right)$$", "secondary": [ "$$x=2\\sqrt{3}$$", "$$y=2$$" ] }, { "type": "step", "primary": "$$r=\\sqrt{x^2+y^2}$$", "result": "r=\\sqrt{\\left(2\\sqrt{3}\\right)^{2}+2^{2}}" }, { "type": "interim", "title": "$$\\sqrt{\\left(2\\sqrt{3}\\right)^{2}+2^{2}}=4$$", "input": "\\sqrt{\\left(2\\sqrt{3}\\right)^{2}+2^{2}}", "steps": [ { "type": "interim", "title": "$$\\left(2\\sqrt{3}\\right)^{2}=2^{2}\\cdot\\:3$$", "input": "\\left(2\\sqrt{3}\\right)^{2}", "steps": [ { "type": "step", "primary": "Apply exponent rule: $$\\left(a\\cdot\\:b\\right)^{n}=a^{n}b^{n}$$", "result": "=2^{2}\\left(\\sqrt{3}\\right)^{2}", "meta": { "practiceLink": "/practice/exponent-practice", "practiceTopic": "Expand FOIL" } }, { "type": "interim", "title": "$$\\left(\\sqrt{3}\\right)^{2}:{\\quad}3$$", "steps": [ { "type": "step", "primary": "Apply radical rule: $$\\sqrt{a}=a^{\\frac{1}{2}}$$", "result": "=\\left(3^{\\frac{1}{2}}\\right)^{2}", "meta": { "practiceLink": "/practice/radicals-practice", "practiceTopic": "Radical Rules" } }, { "type": "step", "primary": "Apply exponent rule: $$\\left(a^{b}\\right)^{c}=a^{bc}$$", "result": "=3^{\\frac{1}{2}\\cdot\\:2}", "meta": { "practiceLink": "/practice/exponent-practice", "practiceTopic": "Expand FOIL" } }, { "type": "interim", "title": "$$\\frac{1}{2}\\cdot\\:2=1$$", "input": "\\frac{1}{2}\\cdot\\:2", "result": "=3", "steps": [ { "type": "step", "primary": "Multiply fractions: $$a\\cdot\\frac{b}{c}=\\frac{a\\:\\cdot\\:b}{c}$$", "result": "=\\frac{1\\cdot\\:2}{2}" }, { "type": "step", "primary": "Cancel the common factor: $$2$$", "result": "=1" } ], "meta": { "solvingClass": "Solver", "interimType": "Solver", "gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7l3vTdf410Ywhq1vZ0kzF8e30Fwl9QKPJxyO/TFRCb5Grju+5Z51e/ZZSD3gRHwjBE9/03SOiEv+BIHutWLr6nUfz18ijmoplMAomfJM9x8W1GdKgiNs+PolKvTuWzYk/" } } ], "meta": { "interimType": "N/A" } }, { "type": "step", "result": "=2^{2}\\cdot\\:3" } ], "meta": { "solvingClass": "Solver", "interimType": "Solver", "gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7365YmXBJU5aZ84stNhbIKVnyYRz18HvB+rp63mPitc+zsHBJV0oRhKqf7h8oBCgaU1Segk/l8hMTwwzmyvEPsbKAdlEWdnVS/2Z0ay5lcmnrMt0YSkP2lJNJOULcrhO3l0w8aVbUaQyDWZujTOqnuQ==" } }, { "type": "step", "result": "=\\sqrt{2^{2}\\cdot\\:3+2^{2}}" }, { "type": "step", "primary": "Add similar elements: $$2^{2}\\cdot\\:3+2^{2}=2^{2}\\cdot\\:4$$", "result": "=\\sqrt{2^{2}\\cdot\\:4}" }, { "type": "step", "primary": "Apply radical rule: $$\\sqrt[n]{ab}=\\sqrt[n]{a}\\sqrt[n]{b},\\:\\quad$$ assuming $$a\\ge0,\\:b\\ge0$$", "result": "=\\sqrt{4}\\sqrt{2^{2}}", "meta": { "practiceLink": "/practice/radicals-practice", "practiceTopic": "Radical Rules" } }, { "type": "interim", "title": "$$\\sqrt{4}=2$$", "input": "\\sqrt{4}", "result": "=2\\sqrt{2^{2}}", "steps": [ { "type": "step", "primary": "Factor the number: $$4=2^{2}$$", "result": "=\\sqrt{2^{2}}" }, { "type": "step", "primary": "Apply radical rule: $$\\sqrt[n]{a^n}=a$$", "secondary": [ "$$\\sqrt{2^{2}}=2$$" ], "result": "=2", "meta": { "practiceLink": "/practice/radicals-practice", "practiceTopic": "Radical Rules" } } ], "meta": { "interimType": "N/A" } }, { "type": "step", "primary": "Apply radical rule: $$\\sqrt[n]{a^n}=a,\\:\\quad$$ assuming $$a\\ge0$$", "secondary": [ "$$\\sqrt{2^{2}}=2$$" ], "result": "=2\\cdot\\:2", "meta": { "practiceLink": "/practice/radicals-practice", "practiceTopic": "Radical Rules" } }, { "type": "step", "primary": "Multiply the numbers: $$2\\cdot\\:2=4$$", "result": "=4" } ], "meta": { "solvingClass": "Solver", "interimType": "Solver", "gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7CPVeoJiKqLByyAWbUZJC0kpj8gBYGzeJgQEFEhIVI4gAlilG71elit3w1IBbYN0Pdon1OhrviX+zjeY8LDixH6N6Hv6MoTMtvtU0IQwXdn8ssW9kOE6+fwYfBavYHcr4jhlPJTF4U/fpSpdQxLOBpiS3daIZHtloJpe/PvtsyNI=" } }, { "type": "step", "result": "r=4" }, { "type": "step", "primary": "$$\\theta=\\arctan\\left(\\frac{y}{x}\\right)$$", "result": "θ=\\arctan\\left(\\frac{2}{2\\sqrt{3}}\\right)" }, { "type": "interim", "title": "$$\\arctan\\left(\\frac{2}{2\\sqrt{3}}\\right)=\\frac{π}{6}$$", "input": "\\arctan\\left(\\frac{2}{2\\sqrt{3}}\\right)", "steps": [ { "type": "step", "primary": "Divide the numbers: $$\\frac{2}{2}=1$$", "result": "=\\arctan\\left(\\frac{1}{\\sqrt{3}}\\right)" }, { "type": "step", "primary": "Use the following trivial identity:$${\\quad}\\arctan\\left(\\frac{1}{\\sqrt{3}}\\right)=\\frac{π}{6}$$", "secondary": [ "$$\\begin{array}{|c|c|c|}\\hline x&\\arctan(x)&\\arctan(x)\\\\\\hline 0&0&0^{\\circ}\\\\\\hline \\frac{\\sqrt{3}}{3}&\\frac{\\pi}{6}&30^{\\circ}\\\\\\hline 1&\\frac{\\pi}{4}&45^{\\circ}\\\\\\hline \\sqrt{3}&\\frac{\\pi}{3}&60^{\\circ}\\\\\\hline \\end{array}$$" ], "result": "=\\frac{π}{6}" } ], "meta": { "solvingClass": "Solver", "interimType": "Solver", "gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7iGvFWxodO1NUsa8/NPZQswEcDzhUXOvGAzKSjeoICr/TLx8mOdHYVzxX643JqKFIQslTDKxOR/6J+ZOGvUcaum2V9bcxPzf3wXediGjUckU6USmq8vZAJBXx71jJT3BY0+Q9JFLVbH5Gt90MFbYPWBToOTUVtH7BsqJ3B1OUhX+Qe+SNKDnjTwuozJW1bVni" } }, { "type": "step", "result": "θ=\\frac{π}{6}" }, { "type": "step", "primary": "The polar coordinates of $$\\left(2\\sqrt{3},\\:2\\right)$$", "result": "\\left(4,\\:\\frac{π}{6}\\right)" } ] } }