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

If sin(t)=4/5 & 0<t<pi/2, find the following: a)sin t(-t) b) sin(t-2pi) c)cos t d)cos(pi-t)

## 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 ...
- 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 - Find sin(s+t) and (s-t) if cos(s)= 1/5 and sin(t) = 3/5 and s and t are ...
- 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 (...

More Related Questions