If (cos2\theta+sin\theta= \sqrt{2}cos \theta,Then \ cos\thet... | Mathematics | SolveeIt | Solveeit

Today, August 24

Question

If $cos2\theta+sin\theta= \sqrt{2}cos \theta,Then \ cos\theta-sin \theta=?$

A

$\sqrt{2}cos\theta$

B

$2sin\theta$

C

$\sqrt2sin\theta$

D

$2cos\theta$

Answer

$\sqrt2sin\theta$

Explanation

Solution

The correct option is (C): $\sqrt2sin\theta$