જો $\theta = 3\alpha$ અને $\sin \theta = \frac{a}{\sqrt{a^2 + b^2}}$ હોય,તો $a \csc \alpha - b \sec \alpha$ પદાવલિનું મૂલ્ય શું થાય?

  • A
    $2\sqrt{a^2 + b^2}$
  • B
    $\sqrt{a^2 + b^2}$
  • C
    $a + b$
  • D
    આમાંથી કોઈ નહીં

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જો $\cot \frac{2x}{3} + \tan \frac{x}{3} = \operatorname{cosec} \frac{kx}{3}$ હોય, તો $k$ ની કિંમત શોધો.

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