Download the app

Questions  

The number of values of  satisfying the condition sin x + sin 5x = sin 3x in the interval [0, π] is

a
6
b
2
c
10
d
0

detailed solution

Correct option is A

2sin⁡3xcos⁡2x=sin⁡3x⇒sin⁡3x(2cos⁡2x−1)=0⇒sin⁡3x=0 or 2cos⁡2x=1⇒x=0, π/3, 2π/3, π or x=π/6, 5π/6 as x∈[0, π]

Talk to our academic expert!

+91

Are you a Sri Chaitanya student?


Similar Questions

Difference between maximum and minimum values of θ satisfying the equation sin4θ+cos7θ=1  in the interval (π,π)  is:


phone icon
whats app icon