यदि $\frac{a}{b} \tan x > -1$ है,तो $\tan ^{-1}\left[\frac{a \cos x-b \sin x}{b \cos x+a \sin x}\right]$ को सरल कीजिए।

  • A
    $\tan ^{-1} \frac{b}{a}+x$
  • B
    $\tan ^{-1} \frac{b}{a}-x$
  • C
    $\tan ^{-1} \frac{a}{b}-x$
  • D
    $\tan ^{-1} \frac{a}{b}+x$

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Similar Questions

$\operatorname{Tan}^{-1} \frac{3}{5} + \operatorname{Tan}^{-1} \frac{6}{41} + \operatorname{Tan}^{-1} \frac{9}{191} = $

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।

$\cot ^{-1}\left(\frac{\sqrt{1+x^2}-1}{x}\right) = $ . . . . . .

यदि $(\tan ^{-1} x)^2+(\cot ^{-1} x)^2=\frac{5 \pi^2}{8}$ है,तो $x^2+1=$

सिद्ध कीजिए कि $2 \tan ^{-1} \frac{1}{2} + \tan ^{-1} \frac{1}{7} = \tan ^{-1} \frac{31}{17}$.

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