SOLUTION: Please help me! Write the expression in terms of sine only. 3sin(3pix)+3sqrt^(3)cos(3pix)

Algebra ->  Trigonometry-basics -> SOLUTION: Please help me! Write the expression in terms of sine only. 3sin(3pix)+3sqrt^(3)cos(3pix)       Log On


   

Question 422266: Please help me!
Write the expression in terms of sine only.
3sin(3pix)+3sqrt^(3)cos(3pix)

Answer by shree840(260) About Me  (Show Source):
You can put this solution on YOUR website!
Sine and cosine have a shift of 90
cos(3pix)=sin(90-3pix)