$\tan (90^\circ - \theta) = \ldots \ldots \ldots$

  • A
    $\tan \theta$
  • B
    $\cot \theta$
  • C
    $\sec \theta$
  • D
    $\operatorname{cosec} \theta$

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व्यंजक $\left[\frac{\sin ^{2} 22^{\circ}+\sin ^{2} 68^{\circ}}{\cos ^{2} 22^{\circ}+\cos ^{2} 68^{\circ}}+\sin ^{2} 63^{\circ}+\cos 63^{\circ} \sin 27^{\circ}\right]$ का मान ज्ञात कीजिए।

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$\tan 5^{\circ} \cdot \tan 25^{\circ} \cdot \tan 45^{\circ} \cdot \tan 65^{\circ} \cdot \tan 85^{\circ}$ का मान $\ldots \ldots \ldots \ldots$ है।

यदि $\tan \theta = 1$ है,तो $\sin \theta \cdot \cos \theta = \dots$

$(1+\tan ^{2} \theta)(1-\sin \theta)(1+\sin \theta)$ को सरल कीजिए।

यदि $\sin \theta + \cos \theta = \sqrt{3}$ है,तो सिद्ध कीजिए कि $\tan \theta + \cot \theta = 1$ है।

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