Saturday

August 23, 2014

August 23, 2014

Posted by **Purplechick4** on Wednesday, February 8, 2012 at 12:59am.

- Trig -
**Steve**, Wednesday, February 8, 2012 at 5:41amsin(-t) = -sin(t) = -4/5

sin(t-2pi) = sin(t) = 4/5

cos(t) = 3/5

cos(pi-t) = -3/5

**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 ...

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

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

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

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

Calculus 12th grade (double check my work please) - 1.)Find dy/dx when y= Ln (...

trig - it says to verify the following identity, working only on one side: cotx+...