$\cos ^{-1}\left\{\cot \left(\sum_{i=1}^3 \cot ^{-1} i\right)\right\}=$ . . . . . . .

  • A
    $-\frac{\pi}{2}$
  • B
    $0$
  • C
    $\pi$
  • D
    $\frac{\pi}{2}$

Explore More

Similar Questions

यदि $\tan ^{-1}(2 x)+\tan ^{-1}(3 x)=\frac{\pi}{4}$,जहाँ $x>0$,तो $x=$

यदि $\sin^{-1}(1 - x) - 2\sin^{-1}x = \pi/2$ है,तो $x$ का मान ज्ञात कीजिए:

Difficult
View Solution

यदि $\frac{\pi}{2} \leq x \leq \frac{3 \pi}{4}$ है,तो $\cos ^{-1}\left(\frac{12}{13} \cos x+\frac{5}{13} \sin x\right)$ का मान ज्ञात कीजिए।

यदि $\sin^{-1} x + \cos^{-1} y = \frac{2\pi}{5}$ है,तो $\cos^{-1} x + \sin^{-1} y$ का मान क्या होगा?

समीकरण $2\cos^{-1}x + \sin^{-1}x = \frac{11\pi}{6}$ के

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