જો $\tan^{-1} (x^2 + 3|x|-4) = \tan^{-1} (4\pi + \sin^{-1}(\sin 14))$ હોય,તો $\cos^{-1}(\cos 3|x|)$ ની કિંમત શોધો.

  • A
    $3\pi - 9$
  • B
    $4\pi - 9$
  • C
    $9$
  • D
    $9 - 2\pi$

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જો $\sin ^{-1}(1-x)-2 \sin ^{-1} x=\frac{\pi}{2}$ હોય,તો $x=$ . . . . . . .

જો $x+iy = \frac{1+7i}{(2-i)^2}$ હોય,તો $\operatorname{cosec}\left(\tan^{-1} \frac{y}{x} - \frac{\pi}{4}\right) = $

$\sin ^{-1}\left(\frac{12}{13}\right)+\cos ^{-1}\left(\frac{4}{5}\right)+\tan ^{-1}\left(\frac{63}{16}\right)=$

જો આપણે પ્રતિ-ત્રિકોણમિતીય વિધેયોના માત્ર મુખ્ય મૂલ્યોને ધ્યાનમાં લઈએ,તો $\tan \left( \cos^{-1} \frac{1}{5\sqrt{2}} - \sin^{-1} \frac{4}{\sqrt{17}} \right)$ નું મૂલ્ય શું થાય?

$\tan \left[\frac{\pi}{4}+\frac{1}{2} \cos ^{-1}\left(\frac{a}{b}\right)\right]+\tan \left[\frac{\pi}{4}-\frac{1}{2} \cos ^{-1}\left(\frac{a}{b}\right)\right]$ ની કિંમત શોધો.

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