$\frac{\sin \theta}{1-\cot \theta} + \frac{\cos \theta}{1-\tan \theta} = $

  • A
    $0$
  • B
    $1$
  • C
    $\cos \theta - \sin \theta$
  • D
    $\cos \theta + \sin \theta$

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Similar Questions

यदि $\left[1-\cos \left(\frac{\pi}{2}+\alpha\right)+\sin \left(\frac{3 \pi}{2}+\alpha\right)\right]^2+\left[1-\sin \left(\frac{3 \pi}{2}-\alpha\right)-\cos \left(\frac{3 \pi}{2}+\alpha\right)\right]^2=a+b \sin ^2\left(\frac{\pi}{4}+\alpha\right)$,तो $a^2+b^2=$

निम्नलिखित में से कौन सा सही नहीं है?

$\sin ^2 \frac{2 \pi}{3}+\cos ^2 \frac{5 \pi}{6}-\tan ^2 \frac{3 \pi}{4}=$

$\cos 18^{\circ} = $

$\sin ^{2} 17.5^{\circ} + \sin ^{2} 72.5^{\circ}$ का मान ज्ञात कीजिए।

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