\[\int_{0}^{\pi /4}{[\sqrt{\tan x}+\sqrt{\cot x}]\,dx}\] equals [RPET 1997]

\[\int_{0}^{\pi /4}{[\sqrt{\tan x}+\sqrt{\cot x}]\,dx}\] equals

1.	\[\int_{0}^{\pi /4}{[\sqrt{\tan x}+\sqrt{\cot x}]\,dx}\] equals [RPET 1997]
A.	\[\sqrt{2}\pi \]
B.	\[\frac{\pi }{2}\]
C.	\[\frac{\pi }{\sqrt{2}}\]
D.	\[2\pi \]
Answer» D. \[2\pi \]

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\[\int_{0}^{\pi /4}{[\sqrt{\tan x}+\sqrt{\cot x}]\,dx}\] equals [RPET 1997]

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