Practice problem
Write sinx\sin xsinx in terms of cosx\cos xcosx.
tanx\tan xtanx
±1−cos2x\pm {\sqrt { 1 - \cos^{2}x}}±1−cos2x
±1+cos2x\pm {\sqrt { 1 + \cos^{2}x}}±1+cos2x
No Solution
Type a concept, like “slope” or “photosynthesis”.
