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If max {5 sin theta + 3 sin ( theta - al...

If max `{5 sin theta + 3 sin ( theta - alpha )}=7` , then the set of possible value of ` alpha ` is ` theta in R `

A

`{x:x = 2npi pm (pi)/(3) , n in I}`

B

`{x:x = 2npi pm(2pi)/(3) , n in I}`

C

`[(pi)/(3) , (2pi)/(3)]`

D

None of these

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The correct Answer is:
A
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VMC MODULES ENGLISH-TRIGONOMETRIC IDENTITIES AND EQUATIONS -LEVEL -2
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