Posted by **Anna** on Thursday, March 28, 2013 at 12:27pm.

Use a half-angle identity to find the exact value for sec(x/2) if sinx = -12/13 ; 3pi/2 < x < 2pi

## Answer this Question

## Related Questions

- Trigonometry - 4. Find the exact value for sin(x+y) if sinx=-4/5 and cos y = 15/...
- trig - use a half-angle identity to find the exact value of tan 105 degrees.
- trig - Solve cos x-1 = sin^2 x Find all solutions on the interval [0,2pi) a. x=...
- pre-calc - Can someone help me find the exact value of 4csc(3pi/4)-cot(-pi/4)? ...
- Trig - Find the exact value of tan 5pi/12 using the half-angle identity.
- trig - Find the exact value by using a half-angle identity. cos 22.5 degrees
- trig - find the exact value by using the appropriate half-angle identity: sin(...
- Trigonometry - use the appropriate trig identity (sum and difference, half angle...
- trig - Find the exact value. Without using a calculator a) cos (-17pi/6) b) sec...
- Pre Cal. - 1. Use half-angle identity to find the exact value of cos165. MY ...

More Related Questions