यदि $\sec \theta = 1\frac{1}{4}$ है,तो $\tan \frac{\theta}{2} = $

  • A
    $\frac{1}{3}$
  • B
    $\frac{3}{4}$
  • C
    $\frac{1}{4}$
  • D
    $\frac{5}{4}$

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यदि $\frac{5\pi}{2} < x < 3\pi$ है,तो व्यंजक $\frac{\sqrt{1 - \sin x} + \sqrt{1 + \sin x}}{\sqrt{1 - \sin x} - \sqrt{1 + \sin x}}$ का मान क्या है?

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