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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यदि $29 \tan \theta = 31$ है,तो $\frac{1+2 \sin \theta \cos \theta}{1-2 \sin \theta \cos \theta}$ का मान किसके बराबर है?

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यदि $\sqrt x + \frac{1}{{\sqrt x }} = 2\cos \theta$ है,तो ${x^6} + {x^{ - 6}} = $

यदि $A + C = B$ है,तो $\tan A \tan B \tan C = $

यदि $\tan A = \frac{1 - \cos B}{\sin B}$ है,तो $\tan 2A =$

वास्तविक मान $\theta$ के लिए $\cos 2\theta + \cos \theta$ का न्यूनतम मान क्या है?

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