$e^{\log _{10} \tan 1^{\circ}+\log _{10} \tan 2^{\circ}+\log _{10} \tan 3^{\circ}+\ldots+\log _{10} \tan 89^{\circ}}$ ની કિંમત શોધો.

  • A
    $3$
  • B
    $\frac{1}{e}$
  • C
    $1$
  • D
    $0$

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સમીકરણ $e^{\sin x} - e^{-\sin x} - 4 = 0$ ના વાસ્તવિક બીજોની સંખ્યા કેટલી છે?

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

ધારો કે $A$ અને $B$ વિધાનો દર્શાવે છે:
$A: \cos \alpha + \cos \beta + \cos \gamma = 0$
$B: \sin \alpha + \sin \beta + \sin \gamma = 0$
જો $\cos (\alpha - \beta) + \cos (\beta - \gamma) + \cos (\gamma - \alpha) = -\frac{3}{2}$ હોય,તો:

જો $\text{cosec } A + \cot A = \frac{11}{2}$ હોય,તો $\tan A = $

જો $\tan \theta_1 = k \cot \theta_2$ હોય,તો $\frac{\cos (\theta_1 + \theta_2)}{\cos (\theta_1 - \theta_2)} = $

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