SOLUTION: Prove the identities: Sin^2x | Tan^2x/1+tan^2x Sin^4x+cos2x | Cos^4x Tan^2x+1/tan^2x| Csc^2x 2cosx + 2cos^2x/| Sinx/1-cosx Sin2x

Question 889197: Prove the identities:
Sin^2x | Tan^2x/1+tan^2x

Sin^4x+cos2x | Cos^4x

Tan^2x+1/tan^2x| Csc^2x

2cosx + 2cos^2x/| Sinx/1-cosx
Sin2x
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
No equal signs --> not identities.

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