The set of values of $‘a’$ for which the equation, $cos\, 2x + a\, sin\, x = 2a - 7$ possess a solution is :
The set of values of $‘a’$ for which the equation, $cos\, 2x + a\, sin\, x = 2a - 7$ possess a solution is :
- A
$(-\infty , 2)$
- B
$[2, 6]$
- C
$(6, \infty )$
- D
$(-\infty, \infty )$
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- [JEE MAIN 2023]
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