Inactive Tutor answered 08/03/22
Tutor
New to Wyzant
cos4 x
(cos2 x)2
[(1 + cos 2x) / 2]2
Can you expand and answer?
Harris S.
asked 08/03/22Use the formulas for lowering powers to rewrite the expression in terms of the first power of cosine
cos4 x
Inactive Tutor answered 08/03/22
cos4 x
(cos2 x)2
[(1 + cos 2x) / 2]2
Can you expand and answer?
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