यदि $\tan \theta = \frac{5}{12}$ है,तो $\cos \theta = \ldots$

  • A
    $\frac{5}{13}$
  • B
    $\frac{5}{6}$
  • C
    $\frac{12}{13}$
  • D
    $\frac{12}{5}$

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Similar Questions

यदि $\sin ^{2}(3 x+30^{\circ})+\cos ^{2}(2 x+45^{\circ})=1$ है,तो $x = \dots$ ($^{\circ}$ में)

$0^{\circ} < \theta < 90^{\circ}$ के लिए,जैसे-जैसे $\theta$ का मान $0^{\circ}$ से $90^{\circ}$ तक बढ़ता है,$\ldots \ldots \ldots \ldots$ का मान बढ़ता है।

यदि $\operatorname{cosec} \theta + \cot \theta = p$ है,तो सिद्ध कीजिए कि $\cos \theta = \frac{p^{2} - 1}{p^{2} + 1}$.

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यदि $\operatorname{cosec} \theta = \sqrt{2}$ है,तो $\tan \theta$ का मान ज्ञात कीजिए:

$0 < \theta < 90$ और $\sec \theta = \operatorname{cosec} 60^\circ$ है,तो $2 \cos^2 \theta - 1$ का मान ........ है।

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