SOLUTION: Express in terms of the cosine function with exponent 1. cos^4 (theta/2) & sin^4 (2x) Show work please!!!

SOLUTION: Express in terms of the cosine function with exponent 1. cos^4 (theta/2) & sin^4 (2x) Show work please!!!

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Question 927300: Express in terms of the cosine function with exponent 1.
cos^4 (theta/2)
&
sin^4 (2x)
Show work please!!!
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
.....since , we have

.....since , we have

...............=> and

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