જો $0 < \theta < 90$ અને $\sin \theta = \cos 30$ હોય,તો $2 \tan^2 \theta - 1 = \dots$

  • A
    $5$
  • B
    $4$
  • C
    $3$
  • D
    $0$

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Similar Questions

આપેલ છે કે $\sin \theta = \frac{a}{b},$ તો $\cos \theta$ ની કિંમત શું થાય?

જો $\tan \theta = 1$ હોય,તો $\sin \theta \cdot \cos \theta = \dots$

$0^{\circ} < \theta < 90^{\circ}$ માટે,જેમ $\theta$ નું મૂલ્ય $0^{\circ}$ થી $90^{\circ}$ સુધી વધે છે,તેમ $\ldots \ldots \ldots \ldots$ નું મૂલ્ય વધે છે.

$\Delta ABC$ માં, $AC = 5$, $BC = 13$, $m \angle A = 90^\circ$ હોય, તો $\tan B = \ldots$

$\sin 48^{\circ} \sec 42^{\circ} + \cos 48^{\circ} \operatorname{cosec} 42^{\circ} = \ldots \ldots \ldots \ldots$

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