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April 21, 2014

Homework Help: math(Trigonometry)

Posted by Amirul on Wednesday, February 13, 2013 at 10:42am.

sin 2 theta + cos theta = 0

so, we use sin 2 theta = 2 sin theta cos theta right? but the problem is i'm stuck on (2 sin theta cos theta) + cos theta = 0. What should i do?

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