document.write( "Question 732387: Derivative of cos^3 \n" ); document.write( "

Algebra.Com's Answer #447824 by Alan3354(69443) $\"\"$ $\"About$

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Derivative of cos^3
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\n" ); document.write( "If you mean cos^3(x):
\n" ); document.write( "f(x) = cos^3(x)
\n" ); document.write( "f'(x) = 3cos^2(x)*(-sin(x))
\n" ); document.write( "= -3sin(x)cos^2(x)
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