यदि $\cos \theta + \sin \theta = \sqrt{2} \cos \theta$ और $0 < \theta < \frac{\pi}{2}$ है,तो $\sec 2 \theta + \tan 2 \theta = $

  • A
    $\cot \theta$
  • B
    $\tan \theta$
  • C
    $\cos \theta$
  • D
    $\sin \theta$

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Similar Questions

मान लीजिए $a, b, c$ तीन शून्येतर वास्तविक संख्याएँ हैं,इस प्रकार कि समीकरण $\sqrt{3} a \cos x + 2 b \sin x = c$,$x \in [-\frac{\pi}{2}, \frac{\pi}{2}]$ के दो भिन्न वास्तविक मूल $\alpha$ और $\beta$ हैं,जहाँ $\alpha + \beta = \frac{\pi}{3}$ है। तो $\frac{b}{a}$ का मान ज्ञात कीजिए।

$\frac{\sin 1^{\circ}+\sin 2^{\circ}+\ldots+\sin 89^{\circ}}{2(\cos 1^{\circ}+\cos 2^{\circ}+\ldots+\cos 44^{\circ})+1} = $

यदि $\tan \left(\frac{\pi}{4}+\alpha\right)=\tan ^3\left(\frac{\pi}{4}+\beta\right)$ है,तो $\tan (\alpha+\beta) \cot (\alpha-\beta)=$

यदि $\sinh x = \frac{\sqrt{21}}{2}$ है,तो $\cosh 2x + \sinh 2x = $

$\operatorname{cosec} 48^{\circ}+\operatorname{cosec} 96^{\circ}+\operatorname{cosec} 192^{\circ}+\operatorname{cosec} 384^{\circ} = $

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