$\int_0^\pi \frac{\cos x}{\sqrt{1-\sin ^2 x}} d x=$

  • A
    $\pi$
  • B
    $\frac{\pi}{2}$
  • C
    $-\frac{\pi}{2}$
  • D
    $0$

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$\int_0^{\pi /4} {\frac{{\sec x}}{{1 + 2{{\sin }^2}x}}} dx$ का मान ज्ञात कीजिए।

Difficult
View Solution

$\int_{0}^{\pi/4} \sqrt{1+\sin 2x} dx = \rule{1cm}{0.15mm}$

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