Home
Class 11
MATHS
A and B are positive acute angles satisf...

A and B are positive acute angles satisfying the equation `3cos^2A +2cos^2B=4`, `(3sinA)/(sinB)=(2cosB)/(cosA)` then `A+2B` is

A

`pi/3`

B

`pi/2`

C

`pi/6`

D

`pi/4`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS OF COMPOUND ANGLES

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|101 Videos

  • STRAIGHT LINE

    TARGET PUBLICATION|Exercise EVALUATION TEST|10 Videos

  • TRIGONOMETRIC FUNCTIONS

    TARGET PUBLICATION|Exercise EVALUATION TEST|10 Videos

Similar Questions

Explore conceptually related problems

A and B are positive acute angles satisfying the equations 3cos^(2)A+2cos^(2)B=4and (3sinA)/(sinB)=(2cosB)/(cosA),then A+2B is equal to

A and B are positive acute angles satisfying the equations 3cos^(2)A+2cos^(2)B=4and (3sinA)/(sinB)=(2cosB)/(cosA), then A+2B is equal to

A and B are positive acute angles satisfying the equation 3cos^(2)A+2cos^(2)B=4(3sin A)/(sin B)=(2cos B)/(cos A) then A+2B is

If A and B are acute angles and sinA=cosB then A+B=

If A and B are acute positive angles satisfying the equations 3 "sin"^(2) A + 2"sin"^(2)B =1 " and " 3"sin"2A-2 "sin" 2B = 0, "then " A +2B =

If sinA+sinB=sqrt3(cosB-cosA),then sin3A+sin3B=