$\frac{\tan A}{1-\cot A} + \frac{\cot A}{1-\tan A} = ?$

  • A
    $1 + \sec A \operatorname{cosec} A$
  • B
    $\tan A + \cot A$
  • C
    $1 + \tan A + \cot A$
  • D
    $\sec A + \operatorname{cosec} A + 1$

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જો $A$ ત્રીજા ચરણમાં હોય અને $\tan A = \frac{\sqrt{7}}{3}$ હોય,તો $18 - 16 \sin^2 \frac{A}{2} - 32 \sin \frac{A}{2} \sin \frac{5A}{2} = $

$\sqrt{3} \operatorname{cosec} 20^{\circ} - \sec 20^{\circ}$ ની કિંમત શોધો.

જો $(\sec A + \tan A)(\sec B + \tan B)(\sec C + \tan C) = (\sec A - \tan A)(\sec B - \tan B)(\sec C - \tan C)$ હોય,તો દરેક બાજુનું મૂલ્ય શું થાય?

$\frac{1}{4} \tan \frac{\pi}{8} + \frac{1}{8} \tan \frac{\pi}{16} + \frac{1}{16} \tan \frac{\pi}{32} + \dots \infty$ પદોનું મૂલ્ય કેટલું થાય?

જો $\tan \theta + \cot \theta = 2$ હોય,તો $\sin \theta$ ની કિંમત કેટલી થાય?

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