[" The value of "int(0)^( pi/4)log(1+tan...

[" The value of "int_(0)^( pi/4)log(1+tan theta)d theta," is equal to- "],[[" (1) "(pi)/(2)log2," (2) "-(pi)/(4)log2],[" (3) "(pi)/(8)log2," (4) none of these "]]

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Evaluate int_(0)^(pi//4) log (1+tan theta)d theta

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