Posted by **garrett** on Sunday, March 4, 2012 at 11:40am.

Verify the trigonometric identity. Please show all steps. tanx-cotx/tanx+cotx=sin^2x-cos^2x

- trig -
**MathMate**, Sunday, March 4, 2012 at 1:38pm
Hint:

When there is a mixture of tan, sin and cos, use identities to convert everything into sin and cos, and simplify. This usually works, especially if the right-hand side is in sin and cosine.

For your information,

tan(x)=sin(x)/cos(x)

cot(x)=cos(x)/sin(x)

## Answer this Question

## Related Questions

- Math - 1)A piano tuner uses a tuning fork. If middle C has a frequency of 264 ...
- trig - verify the identity (tanx+cotx) (1) __________ = ______________ (tanx-...
- trig - verify the identity: tan^2x(1+cot^2x)=1/1-sin^2x Verify the Id: tanx + ...
- Pre-Calc - How do I solve this? My work has led me to a dead end. tan(45-x) + ...
- trig - Verify that each equation is an identity. 16. 1+tanx/sinx+cosx =secx ok i...
- Trig - Verify that each of the following is an identity. tan^2x-sin^2x=tan^2xsin...
- trig - it says to verify the following identity, working only on one side: cotx+...
- math - solve each identity algebraically 1)(1-tanx)/(1-cotx)=-tanx 2)(1+cotx)/(1...
- matj - prove that (cotx+tanx)(cotx-tanx) = 1/(sin^2 x) - 1/(cos^x)
- trig - (tanx+cotx)over(tanx-cotx)=(1) over sin^2x-cos^2x)