What is the equation of the line normal to #f(x)=- tan(2pix -2)# at #x=3#?
1 Answer
Jul 21, 2016
Explanation:
Point:
To find the slope, we need to take the derivative of
The slope normal/perpendicular would be
Therefore at x=3, the perpendicular slope would be
Now, we just need to plugin everything in the point-slope form.