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The equation of normal to the curve y=2c...

The equation of normal to the curve `y=2cosx` at `x=pi/4` is

A

`y-sqrt2=2sqrt2(x-pi/4)`

B

`y+sqrt2=2sqrt2(x+pi/4)`

C

`y-sqrt2=1/sqrt2(x-pi/4)`

D

`y-sqrt2=sqrt2(x-pi/4)`

Text Solution

Verified by Experts

The correct Answer is:
C
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TARGET PUBLICATION-APPLICATIONS OF DERIVATIVES-EVALUATION TEST
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