# math

posted by
**sh** on
.

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?

posted by
**sh** on
.

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?