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OpenStudy (cherrilyn):
what is the derivative of sin5x?
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OpenStudy (nowhereman):
Use the chain rule.
OpenStudy (anonymous):
deriv of sin x = cos x chain rule: deriv of 5x = 5, so 5cos x.
OpenStudy (cherrilyn):
thanks! okay so if that is true then why is the deriv. of cos2x-1 -2sin2x?
OpenStudy (anonymous):
what is the meaning of ( is typing a reply... )
OpenStudy (anonymous):
oh! im so sorry, its actually 5cos 5x. sorryy!!
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OpenStudy (anonymous):
you keep the 5x there
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