lf `y = tan x then dy/dx` at `x = pi/4` is equal to :

A

0

B

`1/sqrt2`

C

`sqrt2`

D

2

Verified by Experts

Similar Questions

Explore conceptually related problems

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

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

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

If y=tanx then (dy)/(dx) at x=(pi)/(4) is equal to:

If y = sec(tan^-1x) , then dy/dx at x =1 is equal to

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

If y=log_(sinx)(tanx), then (dy)/ (dx) at x=(pi)/(4) is equal to

Find dy/dx if x-y = pi

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

If x = 4at , y = at^4 , then dy/dx is equal to :