# What is the equation of the normal line of #f(x)= (1-x)sinx# at #x = pi/8#?

##### 1 Answer

Sep 10, 2016

Equation of normal is

#### Explanation:

At

Note that

Hence we are seeking a normal at

Now as normal is perpendicular to tangent and slope of tangent is given by

as

hence slope of tangent is

and slope of normal is

and equation of normal is