Question:

sin^3x+cos^3x/sin^2x+2sinxcosx+cos^2x=(1/sinx+cosx)-(cosx/1+cotx)

by Guest12065058  |  2 years, 4 month(s) ago

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prove that they are equal. you can only work from one side.

 Tags: sin3xcos3xsin2x2sinxcosxcos2x1sinxcosxcosx1cotx

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