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 $5 \cos \theta + 12 \sin \theta = 13$ है,तो $\tan \theta = ?$

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