$\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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જો $29 \tan \theta = 31$ હોય,તો $\frac{1+2 \sin \theta \cos \theta}{1-2 \sin \theta \cos \theta}$ નું મૂલ્ય કેટલું થાય?

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જો $\tan 80^{\circ} = a$ અને $\tan 47^{\circ} = b$ હોય,તો $\tan 37^{\circ}$ ની કિંમત કેટલી થાય?

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