$\operatorname{Sech}^{-1}(\sin \alpha) =$

  • A
    $\log \left(\sin \alpha + \sqrt{\sin^2 \alpha - 1}\right)$
  • B
    $\log (\tan \alpha + 1)$
  • C
    $\log \left(\cot \frac{\alpha}{2}\right)$
  • D
    $\log \left(\frac{1 + \tan \alpha}{2 \sin \alpha}\right)$

Explore More

Similar Questions

मान ज्ञात कीजिए: $\sin ^4 \frac{\pi}{8} + \sin ^4 \frac{3\pi}{8} + \sin ^4 \frac{5\pi}{8} + \sin ^4 \frac{7\pi}{8} = $

$\sin 36^\circ \sin 72^\circ \sin 108^\circ \sin 144^\circ = $

मान लीजिए $\frac{\pi}{2} < x < \pi$ इस प्रकार है कि $\cot x = \frac{-5}{\sqrt{11}}$ है। तो $\left(\sin \frac{11x}{2}\right)(\sin 6x - \cos 6x) + \left(\cos \frac{11x}{2}\right)(\sin 6x + \cos 6x)$ का मान ज्ञात कीजिए।

$x$ के किस मान के लिए $\cos x > \sin x$ है,जहाँ $x \in \left( \frac{\pi}{2}, \frac{3\pi}{2} \right)$?

यदि $x = \sec \phi - \tan \phi$ और $y = \csc \phi + \cot \phi$ है,तो:

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo