કિંમત શોધો: $\tan^{-1} \left( \frac{a - b}{1 + ab} \right) + \tan^{-1} \left( \frac{b - c}{1 + bc} \right)$

  • A
    $\tan^{-1} a - \tan^{-1} b$
  • B
    $\tan^{-1} a - \tan^{-1} c$
  • C
    $\tan^{-1} b - \tan^{-1} c$
  • D
    $\tan^{-1} c - \tan^{-1} a$

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જો ${\tan ^{ - 1}}x - {\tan ^{ - 1}}y = {\tan ^{ - 1}}A$ હોય,તો $A$ ની કિંમત શું થાય?

ધારો કે $a \neq 0$ માટે $S_a(x) = \operatorname{Sec}^{-1}\left(\frac{x}{a}\right) + \operatorname{Sec}^{-1}(a)$ છે. જો $a \neq b$ માટે $S_a(x) = S_b(x)$ હોય,તો $x =$

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જો $\cos^{-1} x + \cos^{-1} y + \cos^{-1} z = \pi$ હોય,તો

$\cot^{-1} \frac{3}{4} + \sin^{-1} \frac{5}{13} = $

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