જો $\cos x + \cos^2 x = 1$ હોય,તો $\sin^2 x + \sin^4 x$ ની કિંમત કેટલી થાય?

  • A
    $-1$
  • B
    $1$
  • C
    $0$
  • D
    $2$

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Similar Questions

$\cos ^2 5^{\circ}-\cos ^2 15^{\circ}-\sin ^2 15^{\circ}+\sin ^2 35^{\circ}+\cos 15^{\circ} \sin 15^{\circ}-\cos 5^{\circ} \sin 35^{\circ} = $

જો $\cos \theta - 4 \sin \theta = 1$ હોય,તો $\sin \theta + 4 \cos \theta$ ની કિંમત શોધો.

જો $\frac{1 - \cos x}{\cos x(1 + \cos x)} = \frac{\sin \alpha}{\cos x} - \frac{2}{1 + \cos x}$ હોય,તો $\alpha = $

$x$ (અંશમાં) ની સૌથી નાની ધન કિંમત શોધો જેના માટે $\tan(x+100^{\circ}) = \tan(x+50^{\circ}) \tan(x) \tan(x-50^{\circ})$ થાય. ($^{\circ}$ માં)

સમીકરણ $\frac{\sin^3 \theta - \cos^3 \theta}{\sin \theta - \cos \theta} - \frac{\cos \theta}{\sqrt{1 + \cot^2 \theta}} - 2 \tan \theta \cot \theta = -1$ ક્યારે સાચું છે?

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