SOLUTION: If sin(x+y)-sin(x-y) = 2f(x)sin y, then f(x)=?

Algebra ->  Trigonometry-basics -> SOLUTION: If sin(x+y)-sin(x-y) = 2f(x)sin y, then f(x)=?      Log On


   



Question 859783: If sin(x+y)-sin(x-y) = 2f(x)sin y, then f(x)=?
Answer by Fombitz(32388) About Me  (Show Source):