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Mathematics 24 Online
OpenStudy (anonymous):

derivative of y = cos(9θ + 41)

OpenStudy (lgbasallote):

i think it's -9sin(9theta +41)

OpenStudy (anonymous):

yes it is

OpenStudy (anonymous):

yep - the derivative of cos(x)=-sin(x) and you multiply by the derivative of what's inside the brackets

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