Post a New Question

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

sin(70°)cos(10°) − cos(70°)sin(10°)

Use the formula sin (A-B) = sin A cos B - cos A sin B In this case, A = 70 and B = 10 degrees. You should know what the sin of 60 is.

More Related Questions