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

જો $A+B+C=180^{\circ}$ હોય,તો $\tan \left(\frac{A+B}{2}\right)=$ ...........

જો $\sin \theta - \cos \theta = 0$ હોય,તો $(\sin^4 \theta + \cos^4 \theta)$ નું મૂલ્ય શોધો.

જો $a \sin \theta = 3$ અને $a \cos \theta = 4$ હોય,તો $a = \dots$ (જ્યાં $a > 0$).

જો $\tan ^{2} \theta = \sin ^{2} \theta + \cos ^{2} \theta$ હોય,તો $\theta = \ldots$ ($^{\circ}$ માં)

સાબિત કરો કે $\tan ^{4} \theta+\tan ^{2} \theta=\sec ^{4} \theta-\sec ^{2} \theta$

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