$e^{\log _{10} \tan 1^{\circ}+\log _{10} \tan 2^{\circ}+\log _{10} \tan 3^{\circ}+\ldots+\log _{10} \tan 89^{\circ}}$ का मान ज्ञात कीजिए।

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

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Similar Questions

मान लीजिए $A = \{x \in R : |\sqrt{3} \cos x - \sin x| \geq 2, 0 \leq x \leq 2\pi\}$ है। यदि $x_1 \in A$ और $x_2 \in A$ है,तो $\frac{x_1}{x_2}$ का संभावित मान ज्ञात कीजिए।

$3\left[ \sin^4\left( \frac{3\pi}{2} - \alpha \right) + \sin^4(3\pi + \alpha) \right] - 2\left[ \sin^6\left( \frac{\pi}{2} + \alpha \right) + \sin^6(5\pi - \alpha) \right] = $

यदि $\pi < \alpha < \frac{3\pi}{2}$ है,तो $\sqrt{\frac{1 - \cos \alpha}{1 + \cos \alpha}} + \sqrt{\frac{1 + \cos \alpha}{1 - \cos \alpha}} = $

यदि $A(n) = \sin^n \alpha + \cos^n \alpha$ है,तो $A(1) A(4) + A(2) A(5) =$

$\sum_{k=1}^3 \cos^2 \left((2k-1) \frac{\pi}{12}\right)$ का मान ज्ञात कीजिए।

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