$\cot \left( {\sum\limits_{n = 1}^{19} {{{\cot }^{ - 1}}\left( {1 + \sum\limits_{p = 1}^n {2p} } \right)} } \right)$ का मान ज्ञात कीजिए।

  • A
    $\frac{21}{19}$
  • B
    $\frac{19}{21}$
  • C
    $\frac{22}{23}$
  • D
    $\frac{23}{22}$

Explore More

Similar Questions

$(\tan ^{-1} x)^2+(\cot ^{-1} x)^2=\frac{5 \pi^2}{8} \Rightarrow x=$

यदि $\sin ^{-1} x+\sin ^{-1} y+\sin ^{-1} z=\frac{3 \pi}{2}$ है, तो $x^{9}+y^{9}+z^{9}-\frac{1}{x^{9} y^{9} z^{9}}$ का मान क्या होगा?

यदि $a=\sin ^{-1}(\sin (5))$ और $b=\cos ^{-1}(\cos (5))$ है,तो $a^2+b^2$ का मान ज्ञात कीजिए।

$3 \tan^{-1}(1/2)$ का मान किसके बराबर है?

$\tan ^{-1}(\cot x)+\cot ^{-1}(\tan x) =$ . . . . . .

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