જો $2 \sin^{2} \theta - \cos^{2} \theta = 2$ હોય,તો $\theta$ ની કિંમત શોધો. ($^{\circ}$ માં)

  • A
    $30$
  • B
    $90$
  • C
    $0$
  • D
    $120$

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Similar Questions

$\sin^{2} 15^{\circ} + \sin^{2} 75^{\circ} = \dots$

$\Delta ABC$ માં,$m \angle C = 90^{\circ}$ અને $\tan A = \frac{1}{\sqrt{3}}$ હોય,તો $\sin A = \ldots$

જો $\triangle ABC$ માં $C$ આગળ કાટખૂણો હોય,તો $\cos(A + B)$ ની કિંમત શોધો.

$\sin (90^\circ - \theta) = \ldots \ldots \ldots$

સાબિત કરો કે $\sin^{6} \theta + \cos^{6} \theta + 3 \sin^{2} \theta \cos^{2} \theta = 1$.

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