SOLUTION: Prove the trig identity (sinx/1-sinx)-(sin x/1+sinx)=2tan^2x

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Question 928224: Prove the trig identity (sinx/1-sinx)-(sin x/1+sinx)=2tan^2x
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!



start with left side:
=

=

=

=...use identity

=



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