Hi, can anybody help me on this problem? Thanks in advance ^^ Write Cos^3(2θ) * Sine^2(2θ) as a function of only cosine without any powers of cosine.
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I would begin with: Now, apply the double-angle identity for sine to the second factor...what do you get?
Originally Posted by DarkFlambe Hi, can anybody help me on this problem? Thanks in advance ^^ Write Cos^3(2θ) * Sine^2(2θ) as a function of only cosine without any powers of cosine.
Thanks! This helped a lot~
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