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Let f(x)=2cos e c2x+secx+cos e cxdot The...

Let `f(x)=2cos e c2x+secx+cos e cxdot` Then find the minimum value of `f(x)forx in (0,pi/2)dot`

A

`(1)/(sqrt(2)-1)`

B

`(2)/(sqrt(2)-1)`

C

`(1)/(sqrt(2)+1)`

D

`(2)/(sqrt(2)+1)`

Text Solution

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The correct Answer is:
B
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