Posted by **sh** on Thursday, May 28, 2009 at 6:09am.

Prove the identity:

1-cos2x/sin2x = 1+tanx/1+cotx

I simplified the RS to tanx.

LS:(1-2cos²x+1)/2sinxcosx

(2+2cos²x)/2sinxcosx

How do I simplify the rest?

Friday

March 24, 2017
Posted by **sh** on Thursday, May 28, 2009 at 6:09am.

Prove the identity:

1-cos2x/sin2x = 1+tanx/1+cotx

I simplified the RS to tanx.

LS:(1-2cos²x+1)/2sinxcosx

(2+2cos²x)/2sinxcosx

How do I simplify the rest?

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