$\tan ^{-1} 2 x+\tan ^{-1} 3 x=\frac{\pi}{4}$ ઉકેલો.

  • A
    $x=\frac{2}{3}$
  • B
    $x=\frac{5}{6}$
  • C
    $x=-1$
  • D
    $x=\frac{1}{6}$

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જો $x + \frac{1}{x} = 2$ હોય,તો $\sin^{-1} x$ નું મુખ્ય મૂલ્ય શું થાય?

$\sin^{-1} (\sin \frac{3\pi}{5}) = \dots \dots \dots$

$\sin ^{-1}\left(\frac{1}{\sqrt{2}}\right)$ નું મુખ્ય મૂલ્ય શોધો.

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