Home
Class 11
MATHS
If cos 2theta + 3 cos theta = 0, then...

If `cos 2theta + 3 cos theta = 0, then `

A

`2n pi pm cos^(-1) ((-3 + sqrt(17))/(4))`

B

`2n pi pm cos^(-1) ((-3 - sqrt(17))/(4))`

C

`n pi pm cos^(-1) ((-3 + sqrt(17))/(4))`

D

`n pi pm cos^(-1) ((-3 - sqrt(17))/(4))`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

If cos theta + cos 2 theta + cos 3 theta = 0 then the general value of theta is

cos2 theta+3cos theta=0

If x sin^(3) theta + y cos^(3) theta = sin theta cos theta ne 0 and x sin theta - y cos theta = 0 , then value of (x^(2) + y^(2)) is :

If 0lethetale90^@ and 4 cos^2 theta-4 sqrt3 cos theta+3=0 , then the value of theta is यदि 0lethetale90^@ और 4 cos^2 theta-4 sqrt3 cos theta+3=0 है, तो theta का मान क्या है?

If cos2 theta+3cos theta=0,then