# What is the slope of the line normal to the tangent line of #f(x) = cosx+sin(2x-pi/12) # at # x= pi/3 #?

##### 1 Answer

Aug 20, 2016

The Reqd. Slope

#### Explanation:

Slope of tgt. to the curve

Hence, the slope of the normal at that pt. is

Now,

Here,

Hence,

Therefore, the Reqd. Slope