Posted by **Donovan** on Monday, January 5, 2009 at 7:32pm.

a)Express as a function of cos (theta)

2 sin^2(theta) - 1

b)Express as a function of sin (theta) or cos (theta)

tan^2(theta) - 2 sec(theta)sin(theta)

## Answer this Question

## Related Questions

- Trig Identities - Please help...I'm not understanding trig identities and how to...
- Calculus - I wanted to confirm that I solved these problems correctly (we had to...
- trigonometry - can you correct the rest for me please? Express each as a ...
- trigonometry - can you correct the rest for me please? Express each as a ...
- trigonomtry - can you correct the rest for me please? Express each as a function...
- Algebra II - Multiple Choice Which expression is NOT equivalent to 1? (theta) ...
- math - I have a question I have been working on since yesterday and I am not ...
- trig - If sin theta is equal to 5/13 and theta is an angle in quadrant II find ...
- Algebra II - Which of the following expressions are not equal to 1? A) sin^2 ...
- precalc h - sin(theta)/1-cos(theta) + 1-cos(theta)/sin(theta) = 2csc(theta) That...