જો $\sum_{r=1}^{50} \tan ^{-1} \frac{1}{2 r^{2}}=p$ હોય,તો $\tan p$ નું મૂલ્ય શું છે?

  • A
    $\frac{101}{102}$
  • B
    $\frac{51}{50}$
  • C
    $100$
  • D
    $\frac{50}{51}$

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જો $\sin^{2}(10^{\circ}) \sin(20^{\circ}) \sin(40^{\circ}) \sin(50^{\circ}) \sin(70^{\circ}) = \alpha - \frac{1}{16} \sin(10^{\circ})$ હોય,તો $16 + \alpha^{-1}$ ની કિંમત શોધો.

જો $\cos ^2 84^{\circ}+\sin ^2 126^{\circ}-\sin 84^{\circ} \cos 126^{\circ}=K$ અને $\cot A+\tan A=2 K$ હોય,તો $\tan A$ ની શક્ય કિંમતો શોધો.

જો $2 \sin \theta + 3 \cos \theta = 2$ અને $\theta \neq (2n + 1) \frac{\pi}{2}$ હોય,તો $3 \sin \theta - 2 \cos \theta$ ની કિંમત શોધો.

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