Posted by dylan on Sunday, April 21, 2013 at 6:29pm.
Use the sumtoproduct formula to simplify the expression:
If sin 52 + sin 8 = sin A, 0<A<90, then
A =??? degrees.

pre calc  Damon, Sunday, April 21, 2013 at 6:45pm
sin 52 + sin 8 = 2 sin 30 * cos 22
so
sin A = 2*.5*.927 = .927
A= 68 degrees