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?

## Answer This Question

## Related Questions

- Precalculus/Trig - Prove the following identity: 1/tanx + tanx = 1/sinxcosx I ...
- Trig - Verify the identity: tanx(cos2x) = sin2x - tanx Left Side = (sinx/cosx)(...
- Math - 1)A piano tuner uses a tuning fork. If middle C has a frequency of 264 ...
- Math please help quick - Which of the following are identities? Check all that ...
- Calculus - Solve identity, (1-sin2x)/cos2x = cos2x/(1+sin2x) I tried starting ...
- Math - Trig - Double Angles - Prove: sin2x / 1 - cos2x = cotx My Attempt: LS: = ...
- Math - simplify (cos4x-cos2x)/(sin4x+sin2x) the answer choices are : cotx, tanx...
- Trig - Verify that each of the following is an identity. tan^2x-sin^2x=tan^2xsin...
- trigonometry - tanx-cotx/tanx+cotx=1-2cos squardx
- Trigonometry - Prove: 1-tanx/1+tanx=1-sin2x/cos2x

More Related Questions