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

  • A
    $\pi /4$
  • B
    $\pi /2$
  • C
    $\pi$
  • D
    $3\pi /2$

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ત્રિકોણમિતીય સમીકરણ $\sin ^{-1} x = 2 \sin ^{-1} a$ નો ઉકેલ મળે છે

જો $A = \tan^{-1}x$ હોય,તો $\sin 2A = $

$\cot \left[ \cos^{-1} \left( \frac{7}{25} \right) \right] = $

$\sin^{-1}\left(\frac{\sqrt{3}}{2}\right) - \sin^{-1}\left(\frac{1}{2}\right)$ ની કિંમત ....... $^o$ છે.

સમીકરણ $\tan^{-1}x = \sin^{-1}\left(\frac{3}{\sqrt{10}}\right)$ નું સમાધાન કરતું $x$ નું મૂલ્ય શોધો.

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