$\tan \left[ {\frac{\pi }{4} + \frac{1}{2}{{\cos }^{ - 1}}\frac{a}{b}} \right] + \tan \left[ {\frac{\pi }{4} - \frac{1}{2}{{\cos }^{ - 1}}\frac{a}{b}} \right] = $

  • A
    $\frac{2a}{b}$
  • B
    $\frac{2b}{a}$
  • C
    $\frac{a}{b}$
  • D
    $\frac{b}{a}$

Explore More

Similar Questions

$2{\sin ^{ - 1}}\frac{3}{5} + {\cos ^{ - 1}}\frac{{24}}{{25}} = $

यदि $\cos^{-1} p + \cos^{-1} q + \cos^{-1} r = \pi$ है,तो $p^2 + q^2 + r^2 + 2pqr = $

यदि $y = \sin^{-1}\left(\frac{19}{20}x\right) + \cos^{-1}\left(\frac{19}{20}x\right)$ है,तो $\frac{dy}{dx} = $

$2 \cot ^{-1} \frac{1}{2} - \cot ^{-1} \frac{4}{3}$ का मान है

$\tan ^{-1} 2+\tan ^{-1} 3=$

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