SOLUTION: Proving trigonometric identities! Please prove this! :(( Thank you! (1+cos3θ)^3/2 = 2sqrt(2) [1-sin^2 (3θ/2)] cos(3θ/2)

Algebra ->  Trigonometry-basics -> SOLUTION: Proving trigonometric identities! Please prove this! :(( Thank you! (1+cos3θ)^3/2 = 2sqrt(2) [1-sin^2 (3θ/2)] cos(3θ/2)      Log On


   

Question 342338: Proving trigonometric identities! Please prove this! :(( Thank you!
(1+cos3θ)^3/2 = 2sqrt(2) [1-sin^2 (3θ/2)] cos(3θ/2)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
(1+cos3θ)^3/2 = 2sqrt(2) [1-sin^2 (3θ/2)] cos(3θ/2)
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(1+cos3θ)^3/2 is the exponent 3? or 3/2?