`int_(0) ^(pi//2) (cos^(2) x)/(sin x + cos x ) dx = `A. `1/(2sqrt(2)) log ((sqrt(2)-1)/(sqrt(2)+1))`B. `1/(2sqrt(2)) log ((sqrt(2)+1)/(sqrt(2)-1))`C. `1/(sqrt(2)) log ((sqrt(2)-1)/(sqrt(2)+1))`D. `1/(sqrt(2)) log ((sqrt(2)+1)/(sqrt(2)-1))`

`int_(0) ^(pi//2) (cos^(2) x)/(sin x + cos x ) dx = `A. `1/(2sqrt(2))

1.	`int_(0) ^(pi//2) (cos^(2) x)/(sin x + cos x ) dx = `A. `1/(2sqrt(2)) log ((sqrt(2)-1)/(sqrt(2)+1))`B. `1/(2sqrt(2)) log ((sqrt(2)+1)/(sqrt(2)-1))`C. `1/(sqrt(2)) log ((sqrt(2)-1)/(sqrt(2)+1))`D. `1/(sqrt(2)) log ((sqrt(2)+1)/(sqrt(2)-1))`
Answer» Correct Answer - B

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