$\displaystyle \sin(2\theta)=\sqrt{2}\cos\theta$ Can someone get me started?? Thanks!
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Originally Posted by spoken428 $\displaystyle \sin(2\theta)=\sqrt{2}\cos\theta$ Can someone get me started?? Thanks! use the double angle formula $\displaystyle sin(2\theta) = 2sin\theta\cos\theta$ see the magic???
Last edited by bigwave; Dec 3rd 2009 at 07:36 PM. Reason: spelling
Dang! I just did like 10 with the double angle..they added the square root here and it threw me off! Thanks!
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