rewrite the expression in terms of the first power of cosine sin^4x so far i have (sin^2x)^2 = (1-cos2x/2)^2 = (1-cos2x/2)(1-cos2x/2) =1-cos^2.2x/4 so my question is, is it right? or is there more
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Hello, reino17! Your algebra is off . . . Rewrite the expression in terms of the first power of cosine: . . Multiply by
ahh ok i see where i screwed up. thanks dude
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