જો $\sin^{-1}(x - 2) + \cos^{-1}(x) + \tan^{-1}(x + 2) + \cot^{-1}(x + 4) = \sec^{-1}(\sqrt{k}) - \frac{\pi}{2}$ હોય, તો $\cos(2 \csc^{-1}\sqrt{k - 1}) = \dots$

  • A
    $\frac{15}{16}$
  • B
    $\frac{31}{32}$
  • C
    $\frac{63}{64}$
  • D
    $\frac{7}{8}$

Explore More

Similar Questions

જો $0 < x < 1$ હોય,તો $y = \cos^{-1}\left(\frac{1-x^2}{1+x^2}\right)$ માટે $\frac{dy}{dx}$ શોધો.

$\tan^{-1}\left(\frac{x}{y}\right) - \tan^{-1}\left(\frac{x-y}{x+y}\right)$ નું સાદું રૂપ શું થાય?

$\tan \left[ {\frac{1}{2}{{\sin }^{ - 1}}\left( {\frac{{2a}}{{1 + {a^2}}}} \right) + \frac{1}{2}{{\cos }^{ - 1}}\left( {\frac{{1 - {a^2}}}{{1 + {a^2}}}} \right)} \right] = $

જો $y = \sin^{-1}x + \sin^{-1}\sqrt{1-x^2}$,જ્યાં $-1 \le x \le 1$ હોય,તો $\frac{dy}{dx}$ શોધો.

Difficult
View Solution

જો $x>0, y>0, z>0, xy+yz+zx < 1$ અને જો $\tan^{-1} x + \tan^{-1} y + \tan^{-1} z = \pi$ હોય, તો $x+y+z$ ની કિંમત શું થાય?

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