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October 21, 2014

October 21, 2014

Posted by **Jon** on Friday, March 7, 2008 at 1:42pm.

P(-15/17,-8/17)= P(cos theta,sin theta)

sin=-8/17

cos=-15/17

- Trig -
**drwls**, Friday, March 7, 2008 at 1:59pmThe x side, y side and radius form a right triangle with side ratio 8:15:17

cos theta is x/r = -15/17 and sin theta is -8/17

So your answer is correct

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