If max{5sin theta+3sin(theta-alpha)}=7 t...

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

A

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

B

`{x:x=2 n pi 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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