If  y= \log \left ( \cos e^{x} \right ),  the find \frac{dy}{dx}\cdot

 

 

 

 
 
 
 
 

Answers (1)

If  y= \log \left ( \cos e^{x} \right )\left [ given \right ]
\therefore \frac{dy}{dx}= \frac{1}{\cos e^{x}}\: \:\cdot \left ( -\sin e^{x} \right ).e^{x}= -e^{x}\tan e^{x}

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