The number of integral values of a for w...

The number of integral values of a for which the equation
`cos2x+asinx=2a-7` possesses a solution is

A

(a) `alt3`

B

(b) `alt2`

C

(c) `agt3`

D

(d) `2leale6`

Verified by Experts

The correct Answer is:

D

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