If the inequality sin^(2) x + a cos x + ...

If the inequality `sin^(2) x + a cos x + a^(2) gt 1 + cos x` holds for any `x in R`, then the largest negative integral value of `a` is

A

`-4`

B

`-3`

C

`-2`

D

`-1`

Verified by Experts

The correct Answer is:

B

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