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Mathematics 8 Online
OpenStudy (anonymous):

derivative of ln( cos theta is -tan theat why?

OpenStudy (anonymous):

Chain rule.

OpenStudy (anonymous):

yep...^^^ like Nike, just do it.... :)

OpenStudy (anonymous):

ohhhhhh ok htank u!!!

OpenStudy (anonymous):

\(\large [lny]'=\frac{y'}{y} \)

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