જો $\tan \alpha = \frac{m}{m + 1}$ અને $\tan \beta = \frac{1}{2m + 1}$ હોય,તો $\alpha + \beta = $

  • A
    $\frac{\pi}{3}$
  • B
    $\frac{\pi}{4}$
  • C
    $\frac{\pi}{6}$
  • D
    આમાંથી કોઈ નહીં

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જો $2\cos\theta + \sin\theta = 1$ હોય,તો $4\cos\theta + 3\sin\theta$ ની કિંમત કેટલી થાય?

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ધારો કે $A = \{ \theta : 2\cos^2 \theta + \sin \theta \le 2 \}$ અને $B = \{ \theta : \frac{\pi}{2} \le \theta \le \frac{3\pi}{2} \}$,તો $A \cap B$ શું થાય?

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