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if x in (-pi/2,pi/2) then the minimum va...

if `x in (-pi/2,pi/2)` then the minimum value of `cos^2x+(secx/4)`is

A

(3/2)

B

(3/4)

C

(5/4)

D

`3sqrt3div2/4sqrt3`

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The correct Answer is:
B
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