કિંમત શોધો: $\csc A - 2 \cot 2A \cos A$

  • A
    $2 \sin A$
  • B
    $\sec A$
  • C
    $2 \cos A \cot A$
  • D
    આમાંથી કોઈ નહીં

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$\cos \left(22 \frac{1}{2}\right)^{\circ}$ ની કિંમત શું છે?

જો $\cos \theta = \frac{1}{2}\left( a + \frac{1}{a} \right)$ હોય,તો $\cos 3\theta$ ની કિંમત શોધો.

જો $\sqrt{\frac{1+\cos A}{1-\cos A}}=\frac{x}{y}$ હોય,તો $\tan A$ ની કિંમત કેટલી થાય?

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