Try another version of this question
Write the product as a sum:
12cos(49r)sin(17r)=
12cos(49r)sin(17r)=
Get help:
Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Be sure your variables match those in the question
6sin(66r)-6sin(32r)