यदि $\tan \alpha = \frac{m}{m+1}$ और $\tan \beta = \frac{1}{2m+1}$ है,तो $\alpha + \beta =$

  • A
    $\frac{\pi}{3}$
  • B
    $\frac{\pi}{2}$
  • C
    $\frac{\pi}{4}$
  • D
    इनमें से कोई नहीं

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$\sin 12^\circ \sin 48^\circ \sin 54^\circ = $

$\cos 24^{\circ} + \cos 5^{\circ} + \cos 300^{\circ} + \cos 175^{\circ} + \cos 204^{\circ}$ का मान क्या है?

$\sin 10^\circ \sin 30^\circ \sin 50^\circ \sin 70^\circ$ का मान ज्ञात कीजिए।

Difficult
View Solution

$\sin 50^\circ - \sin 70^\circ + \sin 10^\circ = $

यदि $\frac{x}{\cos \theta} = \frac{y}{\cos \left( \theta - \frac{2\pi}{3} \right)} = \frac{z}{\cos \left( \theta + \frac{2\pi}{3} \right)},$ है,तो $x + y + z = $

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