Home/Question #4119

JEE Main 2010Medium

Q.The solution of the equation $2 \cos^2 x + \sin^2 x = 1$ is

a

x = n\pi \pm \pi/4

b

x = n\pi

c

x = 2n\pi

d

x = n\pi + \pi/2

Correct Answer: Option A

The correct solution involves applying the fundamental concept to derive the final value step by step...

Unlock Detailed Solution

Register for Free

Already a member? Login here

The solution of the equation 2 \cos^2 x + \sin^2 x = 1 is... | ParikshaNiti