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All the values of x satisfying sin2x+s...

All the values of x satisfying
`sin2x+sin4x=2sin3x` are

A

`npi//3`

B

`2npi`

C

`npi`

D

`npi+pi//3`

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-TRIGNOMETRIC EQUATIONS-PRACTICE SHEET (EXERCISE -I LEVEL -I STRAIGHT OBJECTIVE TYPE QUESTIONS)
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  12. If sin 3 theta - sin theta = 4 cos ^(2) theta - 2 " then " theta =

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  14. The number of solutions of the equation cos^(2)(pi)/3 cos x-(8pi)/3=1 ...

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