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For x in [0,a) 4x+8cosx-4log[cosx(1+sin...

For `x in [0,a)`
`4x+8cosx-4log[cosx(1+sinx)]` then `+tanx-2secxge6` largest value of a is equal to

A

`pi//3`

B

`pi//4`

C

`3pi//4`

D

`pi//6`

Text Solution

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The correct Answer is:
D
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