Posted by **aziiancaligirl** on Monday, July 16, 2007 at 10:04am.

Prove:

sin^2(x/2) = csc^2x - cot^2x / 2csc^2(x) + 2csc(x)cot(x)

On the right, factor the numberator as a difference of two perfect squares. In the denominator, factor out 2cscx.

You ought to prodeed rather quickly to the proof.

## Answer This Question

## Related Questions

- trig - For each expression in column I, choose the expression from column II to ...
- Trigonometry - Hello all, In our math class, we are practicing the trigonometric...
- trig - verify : [sec(x) / csc(x) - cot(x)] - [sec(x) / csc(x) + cot(x)] = 2csc(x...
- Math - What is the first step. Explain please. Which expression is equivalent to...
- trig - Prove the identity sin squared 0 with line/2 = csc zero with line -cot ...
- Trigonometry - prove the ff: a.) sin(x/2) - cos(x/2) = +-sqrt(1 - sin(x)) b.) ...
- TRIGO - prove the ff: a.) sin(x/2) - cos(x/2) = +-sqrt(1 - sin(x)) b.) tan(x/2...
- Calculus - Hello, I'm having trouble with this exercise. Can you help me? ...
- Trig verifying identities - I am having trouble with this problem. sec^2(pi/2-x...
- Math - Trig - I'm trying to verify these trigonometric identities. 1. 1 / [sec(x...

More Related Questions