# What is the slope of the line normal to the tangent line of #f(x) = xtanx-xsin(x-pi/3) # at # x= (15pi)/8 #?

##### 1 Answer

Jul 14, 2018

**Slope of the normal is**

#### Explanation:

Slope of the tangent is

Let slope of the normal be

or

Slope of the normal is