જો $\sin \left( \sin^{-1} \frac{1}{5} + \cos^{-1} x \right) = 1$ હોય,તો $x$ ની કિંમત શોધો.

  • A
    $1$
  • B
    $0$
  • C
    $\frac{4}{5}$
  • D
    $\frac{1}{5}$

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જો $y = \sec^{-1}\left(\frac{1}{2x^2 - 1}\right)$ હોય,તો $\frac{dy}{dx}$ શોધો,જ્યાં $0 < x < \frac{1}{\sqrt{2}}$.

જો $(\tan^{-1} x)^2 + (\cot^{-1} x)^2 = \frac{5\pi^2}{8}$ હોય,તો $x$ =

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કિંમત શોધો: $\tan ^2(\sec ^{-1} 3) + \operatorname{cosec}^2(\cot ^{-1} 2) + \cos ^2(\cos ^{-1} \frac{2}{3} + \sin ^{-1} \frac{2}{3}) = $ . . . . . . .

પ્રતિ-ત્રિકોણમિતીય વિધેયના મુખ્ય મૂલ્યોને ધ્યાનમાં લેતા,$\tan \left(\cos ^{-1} \frac{1}{5 \sqrt{2}}-\sin ^{-1} \frac{4}{\sqrt{17}}\right)$ નું મૂલ્ય શોધો.

$\cos ^{-1}\left[\frac{1}{\sqrt{2}}\left(\cos \frac{9 \pi}{10}-\sin \frac{9 \pi}{10}\right)\right]$ નું મુખ્ય મૂલ્ય શોધો.

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