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OpenStudy (anonymous):
in derivatives of trigonomic functions ..I need to answer y=tan(4x) ..please help me..
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OpenStudy (anonymous):
chain rule... y' = [tan(4x)]' * (4x)' = sec^2(4x) * 4 = 4*sec^2(4x)
OpenStudy (anonymous):
this can also be expressed other ways of course... do you have the answer?
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