$\cot^{-1}(-\sqrt{3}) = $

  • A
    $-\frac{\pi}{6}$
  • B
    $\frac{5\pi}{6}$
  • C
    $\frac{\pi}{3}$
  • D
    $\frac{2\pi}{3}$

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અસમતા $(\cot^{-1}x)^2 - 5\cot^{-1}x + 6 > 0$ નો ઉકેલ શોધો:

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જે અંતરાલ માટે ${\sin ^{ - 1}}\sqrt x + {\cos ^{ - 1}}\sqrt x = \frac{\pi }{2}$ સાચું છે તે:

ધારો કે વિધેય $g: (-\infty, \infty) \rightarrow \left(-\frac{\pi}{2}, \frac{\pi}{2}\right)$ એ $g(u) = 2 \tan^{-1}(e^u) - \frac{\pi}{2}$ દ્વારા આપવામાં આવેલ છે. તો,$g$ એ

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