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The value of (1+ cos ""(pi)/(8))(1+cos""...

The value of `(1+ cos ""(pi)/(8))(1+cos""(3pi)/(8))(1+ cos ""(5pi)/(8)) (1+ cos "'(7pi)/(8))` is-

A

`1/8`

B

`1/16`

C

`1/4`

D

`1/2`

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The correct Answer is:
A
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CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 6
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