If x in (0, (pi)/(2)), then show that co...

If `x in (0, (pi)/(2))`, then show that `cos^(-1) ((7)/(2) (1 + cos 2 x) + sqrt((sin^(2) x - 48 cos^(2) x)) sin x) = x - cos^(-1) (7 cos x)`

A

1

B

5

C

7

D

14

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The correct Answer is:

C

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