SOLUTION: Which expression is equivalent to sin(2theta) for all values of theta? 2cos^2(theta) - 1 cos^2(theta) - sin^2(theta) 1 - 2sin^2(theta) 2 sin(theta) cos(theta) I believe the an

Algebra ->  Trigonometry-basics -> SOLUTION: Which expression is equivalent to sin(2theta) for all values of theta? 2cos^2(theta) - 1 cos^2(theta) - sin^2(theta) 1 - 2sin^2(theta) 2 sin(theta) cos(theta) I believe the an      Log On


   



Question 1013466: Which expression is equivalent to sin(2theta) for all values of theta?
2cos^2(theta) - 1
cos^2(theta) - sin^2(theta)
1 - 2sin^2(theta)
2 sin(theta) cos(theta)
I believe the answer is the last option but I want to be sure. I believe it's the last option because it's the double angle identity for sin(2theta).

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
You are correct.