Posted by **Jesse** on Wednesday, April 22, 2009 at 1:43am.

sin(70°)cos(10°) − cos(70°)sin(10°)

## Answer This Question

## Related Questions

- TRIG! - Posted by hayden on Monday, February 23, 2009 at 4:05pm. sin^6 x + cos^6...
- trig - Reduce the following to the sine or cosine of one angle: (i) sin145*cos75...
- 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 - Find sin(s+t) and (s-t) if cos(s)= 1/5 and sin(t) = 3/5 and s and t are ...
- Trig - Given: cos u = 3/5; 0 < u < pi/2 cos v = 5/13; 3pi/2 < v < ...
- Math - Calculus - The identity below is significant because it relates 3 ...
- maths - Choose the option that gives an expression for the indefinite integral...
- Precal - I do not understand how to do this problem ((sin^3 A + cos^3 A)/(sin A...

More Related Questions