# How do you differentiate # y=3e^4sinθ#?

##### 1 Answer

Feb 23, 2016

#### Explanation:

There are two important things to recognize here:

#3e^4# is just a constant, which can be brought out of the differentiation.- The derivative of
#sintheta# is#costheta# .

So, we have

#y'=d/(d theta)(3e^4sintheta)=3e^4d/(d theta)(sintheta)=color(red)(3e^4costheta#