SOLUTION: Let f(x) = cos^2 x and g(x) = sin^2 x. Write h(x) = cos(2x) as a linear combination of {f, g}

SOLUTION: Let f(x) = cos^2 x and g(x) = sin^2 x. Write h(x) = cos(2x) as a linear combination of {f, g}

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Question 1166344: Let f(x) = cos^2 x and g(x) = sin^2 x. Write h(x) = cos(2x) as a linear combination of {f, g}
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Look up the double angle identity for cosine, then just do a straight substitution of f(x) and g(x).

John

My calculator said it, I believe it, that settles it

I > �

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