SOLUTION: The expression sin2θ-2sinθ is equivalent to?

Algebra ->  Trigonometry-basics -> SOLUTION: The expression sin2θ-2sinθ is equivalent to?      Log On


   

Question 1197885: The expression sin2θ-2sinθ is equivalent to?
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
use Double Angle Formulas: sin%282theta%29=2sin%28theta%29%2Acos%28theta%29

sin%282theta%29-2sin%28theta%29+=+2sin%28theta%29%2Acos%28theta%29-2sin%28theta%29+
sin%282theta%29-2sin%28theta%29+=+2sin%28theta%29%28cos%28theta%29-1%29+