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underset(0)overset(pi//4)int log ((sin x...

`underset(0)overset(pi//4)int log ((sin x+cos x)/(cos x))dx`

A

a. log 2

B

b. `(pi)/(8)log 2`

C

c. `(pi)/(2)log 2`

D

d.`(pi)/(4) log 2`

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The correct Answer is:
B
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