$\tan 1^\circ \tan 2^\circ \tan 3^\circ \tan 4^\circ \dots \tan 89^\circ = $

  • A
    $1$
  • B
    $0$
  • C
    $\infty$
  • D
    $1/2$

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Similar Questions

$\Delta ABC$ માં,$\sin A \cos B \cos C + \sin B \cos C \cos A + \sin C \cos A \cos B$ નું મૂલ્ય શું છે?

જો $\pi < \alpha < \frac{3\pi}{2}$ હોય,તો $\sqrt{\frac{1 - \cos \alpha}{1 + \cos \alpha}} + \sqrt{\frac{1 + \cos \alpha}{1 - \cos \alpha}} = $

જો $\sin \beta$ એ $\sin \alpha$ અને $\cos \alpha$ વચ્ચેનો ગુણોત્તર મધ્યક હોય,તો $\cos 2\beta$ બરાબર શું થાય?

$\theta$ ના તમામ શક્ય મૂલ્યો માટે $\frac{\sin^2 \theta}{\sin \theta - \cos \theta} - \frac{\sin \theta + \cos \theta}{\tan^2 \theta - 1}$ ની કિંમત:

જો $a \cos \theta + b \sin \theta = m$ અને $a \sin \theta - b \cos \theta = n$ હોય,તો ${a^2} + {b^2} = $

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