# What is the equation of the normal line of #f(x)= 3lnsin2x# at #x = pi/8#?

##### 1 Answer

Apr 5, 2017

Equation of normal is

#### Explanation:

While slope of tangent at curve

Both pass through the point

Here we have

and hence we are seeking a normal at

and as slope of normal is

and as equation of line passing through

or

or