यदि $\tan^{-1} \frac{1}{1+1(2)} + \tan^{-1} \frac{1}{1+2(3)} + \tan^{-1} \frac{1}{1+3(4)} + \dots + \tan^{-1} \frac{1}{1+n(n+1)} = \tan^{-1} \theta$ है,तो $\theta$ =

  • A
    $\frac{n}{n+1}$
  • B
    $\frac{n+1}{n+2}$
  • C
    $\frac{n}{n+2}$
  • D
    $\frac{n-1}{n+2}$

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Similar Questions

यदि $\sin^{-1} x + \sin^{-1} y = \frac{2\pi}{3}$ है,तो $\cos^{-1} x + \cos^{-1} y = $

यदि $\frac{1}{2} \leq x \leq 1$ है, तो $\cos ^{-1} x+\cos ^{-1}\left(\frac{x}{2}+\frac{1}{2} \sqrt{3-3 x^2}\right)$ का मान ज्ञात कीजिए।

मान ज्ञात कीजिए: $\tan^{-1} \left( \frac{1}{\sqrt{x^2 - 1}} \right)$

मान ज्ञात कीजिए: ${\cot ^{ - 1}}3 + {\csc ^{ - 1}}\sqrt 5 = $

यदि $\pi \leq x \leq 2 \pi$ है,तो $\cos^{-1}(\cos x)$ किसके बराबर है :-

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