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

##### 1 Answer

#### Explanation:

given is

now we compute

and

The Tangent line is given by the equation

plugging

given is

now we compute

and

The Tangent line is given by the equation

plugging