$\cos ^{ - 1}\left( \frac{3 + 5\cos x}{5 + 3\cos x} \right)$ का मान क्या है?

  • A
    $\tan ^{ - 1}\left( \frac{1}{2}\tan \frac{x}{2} \right)$
  • B
    $2\tan ^{ - 1}\left( 2\tan \frac{x}{2} \right)$
  • C
    $\frac{1}{2}\tan ^{ - 1}\left( 2\tan \frac{x}{2} \right)$
  • D
    $2\tan ^{ - 1}\left( \frac{1}{2}\tan \frac{x}{2} \right)$

Explore More

Similar Questions

यदि $\sec ^{-1} \frac{x}{a}-\sec ^{-1} \frac{x}{b}=\sec ^{-1} b-\sec ^{-1} a$ है,तो $x$ का मान ज्ञात कीजिए।

यदि $\sin ^{-1} a=\alpha+\beta$ और $\sin ^{-1} b=\alpha-\beta$ है,तो $\sin ^2 \alpha+\cos ^2 \beta=$ . . . . . . .

$\cosh \left(\sinh ^{-1}(\sqrt{8})+\cosh ^{-1} 5\right)=$

मान ज्ञात कीजिए: ${\tan ^{ - 1}}\left[ {\frac{{\cos x}}{{1 + \sin x}}} \right]$

मान लीजिए $S_{k} = \sum_{r=1}^{k} \tan^{-1}\left(\frac{6^{r}}{2^{2r+1} + 3^{2r+1}}\right)$. तो $\lim_{k \rightarrow \infty} S_{k}$ का मान ज्ञात कीजिए।

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