lf `y = cos x`, then `d^2y/dx^2` at `x = pi` is equal to :

A

2

B

0

C

-1

D

1

Verified by Experts

Similar Questions

Explore conceptually related problems

lf y = sin 2x , then d^2y/dx^2 at x = pi/2 is equal to :

lf y = sin x , then d^2y/dx^2 at x = pi/2 is equal to :

If y=sin2x, then (d^(2)y)/(dx^(2)) at x=(pi)/(2) is equal to ____

If y = cos x, then at x = pi/2 , y_2 is equal to

lf y = (cos x)^x , then find dy/dx .

If Y = e^x cos x , then find d^2y/dx^2

lf y = (x cos x)^x , then find dy/dx .

If y = sin x, then at x = pi/2 , y_2 is equal to

lf y = (sin x)^x , then find dy/dx .

If y = tan x, then at x = pi/2 , y_2 is equal to