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OpenStudy (anonymous):
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OpenStudy (anonymous):
This question is making you think about sine and cosine values as y and x coordinates, respectively. If you know the most basic identity of Tan(x) then thats what they want here.
OpenStudy (anonymous):
(y and x coordinates on the unit circle, i should say)
OpenStudy (anonymous):
almost always, 99% of the time sine will be y and cosine is x. (the only time i've had it different was one special case in physics)
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