Monday

October 20, 2014

October 20, 2014

Posted by **Josh** on Thursday, April 19, 2012 at 8:26pm.

i have =(sin^2t+cos^2t)(sin^2t+cos^2t)/sin^2tcos^2t

then do i go =(sin^2t+cos^2t)/sin^2tcos^2t

stumped

- Trig -
**Reiny**, Thursday, April 19, 2012 at 9:58pmLS = (sin^2 t + cos^2 t)(sin^2 t - cos^2 t)/(sin^2 t cos^2 t)

= 1(sin^2 t - cos^2 t)/(sin^2 t cos^2 t)

= sin^2 t/(sin^2 t cos^2 t) - cos^2 t/(sin^2 t cos^2 t)

= 1/cos^2 t - 1/sin^2 t

= sec^2 t - csc^2 t

= RS

**Answer this Question**

**Related Questions**

TRIG! - Posted by hayden on Monday, February 23, 2009 at 4:05pm. sin^6 x + cos^6...

tigonometry - expres the following as sums and differences of sines or cosines ...

Mathematics - Trigonometric Identities - Let y represent theta Prove: 1 + 1/tan^...

algebra - Can someone please help me do this problem? That would be great! ...

trig - Reduce the following to the sine or cosine of one angle: (i) sin145*cos75...

Math - Calculus - The identity below is significant because it relates 3 ...

Trig - Given: cos u = 3/5; 0 < u < pi/2 cos v = 5/13; 3pi/2 < v < ...

trig - The expression 4 sin x cos x is equivalent to which of the following? (...

math - Proving Trigonometric Identities 1. sec^2x + csc^2x= (sec^2 x)(csc^2 x) 2...

Precal - I do not understand how to do this problem ((sin^3 A + cos^3 A)/(sin A...