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OpenStudy (anonymous):
How do I find the exact value of cotangent 7pi/6?
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OpenStudy (anonymous):
Use the unit circle. 7π/6 is the ordered pair (-√3/2, -1/2) Then, use the fact that cot is x/y and plug the values in. (-√3/2)/(-1/2) = √3 is the answer.
OpenStudy (anonymous):
So the 7 next to pi tells me how many segments I should count to find the ordered pair?
OpenStudy (anonymous):
Yes. I take it that you're just getting used to radians?
OpenStudy (anonymous):
Yes I am. Thanks for your help!
OpenStudy (anonymous):
Sure. Just letting yo uknow, 7π/6 = 210º
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OpenStudy (anonymous):
Ah ok, thanks!
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