જો $A + B + C = 180^o$ હોય,તો $\cot \frac{A}{2} + \cot \frac{B}{2} + \cot \frac{C}{2}$ નું મૂલ્ય કેટલું થાય?

  • A
    $\cot \frac{A}{2} \cot \frac{B}{2} \cot \frac{C}{2}$
  • B
    $2 \cot \frac{A}{2} \cot \frac{B}{2} \cot \frac{C}{2}$
  • C
    $4 \cot \frac{A}{2} \cot \frac{B}{2} \cot \frac{C}{2}$
  • D
    $8 \cot \frac{A}{2} \cot \frac{B}{2} \cot \frac{C}{2}$

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Similar Questions

જો $\alpha$ એ $25\cos^2\theta + 5\cos\theta - 12 = 0$ નું બીજ હોય અને $\pi/2 < \alpha < \pi$ હોય,તો $\sin 2\alpha$ ની કિંમત શોધો.

જો $\tan \alpha = (1 + 2^{-x})^{-1}$ અને $\tan \beta = (1 + 2^{x+1})^{-1}$ હોય, તો $\alpha + \beta$ ની કિંમત શોધો:

જો $A+B=45^{\circ}$ અને $(\cot A-1)(\cot B-1)=4 K$ હોય,તો $K=$

જો $A + B = \frac{\pi}{4}$ હોય,તો $(1 + \tan A)(1 + \tan B) = $

જો $A, B, C, D$ એ ચક્રીય ચતુષ્કોણના ખૂણાઓ હોય,તો $\cos A + \cos B + \cos C + \cos D = $

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