જો $\frac{\cos (\theta_1+\theta_2)}{\cos (\theta_1-\theta_2)}+\frac{\cos (\theta_3-\theta_4)}{\cos (\theta_3+\theta_4)}=0$ હોય,તો $\cot \theta_1 \cdot \cot \theta_2 \cdot \cot \theta_3 \cdot \cot \theta_4=$

  • A
    $1$
  • B
    $-1$
  • C
    $2$
  • D
    $\frac{1}{2}$

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Similar Questions

જો $\sinh x = -\frac{4}{3}$ હોય,તો $\sinh 2x + \cosh 2x = $

$\sin ^2 5^{\circ}+\sin ^2 10^{\circ}+\sin ^2 15^{\circ}+\ldots+\sin ^2 90^{\circ}$ ની કિંમત શોધો.

જો $\sec(x) = \cosh(\theta)$ હોય,તો $\tanh^2\left(\frac{\theta}{2}\right)$ શોધો.

$\frac{1}{\sin 10^\circ} - \frac{\sqrt{3}}{\cos 10^\circ} =$

પદાવલિના અવયવ પાડો: $\sec ^2 x+5 \tan x+5$

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