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Let p(k)=(1+cos((pi)/(4k)))(1+cos'((2k-1...

Let `p(k)=(1+cos((pi)/(4k)))(1+cos'((2k-1)pi)/(4k))`
`(1+cos""((2k+1)pi)/(4k))(1+cos""((4k-1)pi)/(4k))`, then

A

(a) `P(3)=1/16`

B

(b) `P(4)=(2-sqrt(2))/(16)`

C

(c) `P(5)=(3-sqrt(5))/(32)`

D

(d) `P(6)=(2-sqrt(3))/(16)`

Text Solution

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The correct Answer is:
A, B, C, D
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