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OpenStudy (anonymous):
what is the derivative of tan(x)?
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OpenStudy (anonymous):
sec^2 x
OpenStudy (anonymous):
sec square X
OpenStudy (anonymous):
\[d/dx*\sin(x)/\cos(x)=\cos(x)^2(-\sin(x)^2)/\cos(x)^2\] \[=(\cos(x)^2+\sin(x)^2)/(\cos(x)^2)\] \[=1/(\cos(x)^2)=\sec(x)^2\]
OpenStudy (angela210793):
=1/cos^2x
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