$\tan 67 \frac{1}{2}^{\circ} + \cot 67 \frac{1}{2}^{\circ}$ ની કિંમત શોધો.

  • A
    $\sqrt{2}$
  • B
    $3 \sqrt{2}$
  • C
    $2 \sqrt{2}$
  • D
    $2-\sqrt{2}$

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$\tan \frac{\pi}{3} + 2 \tan \frac{2 \pi}{3} + 4 \tan \frac{4 \pi}{3} + 8 \tan \frac{8 \pi}{3}$ ની કિંમત શોધો. ($\sqrt{3}$ માં)

ધારો કે $\triangle ACB$ એ $C$ આગળ કાટખૂણો ધરાવતો ત્રિકોણ છે. જો $AB = 29$ એકમ,$BC = 21$ એકમ અને $\angle ABC = \theta$ હોય,તો $\cos^2 \theta - \sin^2 \theta = $

$\frac{\sin x}{1+\cos x} + \frac{1+\cos x}{\sin x} = ?$

જો $\operatorname{cosech} x = \frac{4}{5}$ હોય,તો $\sinh x = $

જો $\sin A = \frac{-7}{25}$,$\cos B = \frac{8}{17}$,$A$ એ $3^{\text{rd}}$ ચરણમાં નથી અને $B$ એ $1^{\text{st}}$ ચરણમાં નથી,તો $8 \tan A - 5 \cot B =$

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