यदि $\sec \alpha + \tan \alpha = 2$ है,तो $\sin \alpha$ का मान ज्ञात कीजिए (मान लीजिए कि $0 < \alpha < 90^{\circ}$)।

  • A
    $0.4$
  • B
    $0.5$
  • C
    $0.6$
  • D
    $0.8$

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Similar Questions

यदि $\sin \alpha = 1/\sqrt{5}$ और $\sin \beta = 3/5$ है,तो $\beta - \alpha$ किस अंतराल में स्थित है?

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$\cos A + \sin (270^\circ + A) - \sin (270^\circ - A) + \cos (180^\circ + A) = $

$\frac{\sin 70^\circ + \cos 40^\circ}{\cos 70^\circ + \sin 40^\circ} = $

यदि $\theta$ दूसरे चतुर्थांश में स्थित है,तो $\sqrt{\frac{1 - \sin \theta}{1 + \sin \theta}} + \sqrt{\frac{1 + \sin \theta}{1 - \sin \theta}}$ का मान क्या होगा?

यदि $f(x) = \cos^2 x + \sec^2 x$ है,तो

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