Determine the equation of the normal line to the curve (y= x ) at the point (( /2,1) ).

MATHEMATICS · Single correct · A Level · Mathematics · Differentiation · Differentiation

Problem

Determine the equation of the normal line to the curve

y=\csc x

at the point

(\pi/2,1)

. (a)

y=1

(b)

y=-x+\dfrac{\pi}{2}+1

(c)

x=\dfrac{\pi}{2}

(d)

x=1