Posted by **tony** on Saturday, July 13, 2013 at 6:04pm.

simplify the expression.

-sin^2x-cos^2x

## Answer this Question

## Related Questions

- trig 26 - simplify to a constant or trig func. 1. sec Ču-tan Ču/cos Čv+sin Čv ...
- TRIG! - Posted by hayden on Monday, February 23, 2009 at 4:05pm. sin^6 x + cos^6...
- algebra - Can someone please help me do this problem? That would be great! ...
- pre-cal - Simplify the given expression........? (2sin2x)(cos6x) sin 2x and cos ...
- Precal - I do not understand how to do this problem ((sin^3 A + cos^3 A)/(sin A...
- trig - The expression 4 sin x cos x is equivalent to which of the following? (...
- trig - Reduce the following to the sine or cosine of one angle: (i) sin145*cos75...
- Math(Please check) - Use the fundamental identities to simplify the expression. ...
- calculus/Trig - Suppose you wish to express sin(3t) in terms of sint and cost. ...
- pre calc trig check my work please - sin x + cos x -------------- = ? sin x sin ...