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cos 2x + a sin x = 2a - 7 has a solution...

`cos 2x + a sin x = 2a - 7` has a solution if

A

a = 0

B

`1 le a le 2`

C

`2 le a le 6`

D

`6 le a le 8`

Text Solution

Verified by Experts

The correct Answer is:
C
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