જો $\sin ^{-1} x+\cos ^{-1} y=\frac{3 \pi}{10}$ હોય,તો $\cos ^{-1} x+\sin ^{-1} y$ ની કિંમત શોધો.

  • A
    $\frac{\pi}{10}$
  • B
    $\frac{7\pi}{10}$
  • C
    $\frac{9\pi}{10}$
  • D
    $\frac{3\pi}{10}$

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જો $\frac{\pi}{2} \leq x \leq \frac{3 \pi}{4}$ હોય,તો $\cos ^{-1}\left(\frac{12}{13} \cos x+\frac{5}{13} \sin x\right)$ ની કિંમત શોધો.

જો $x \in \left(0, \frac{1}{4}\right)$ માટે,$\tan^{-1}\left(\frac{6x\sqrt{x}}{1-9x^3}\right)$ નું વિકલન $\sqrt{x} \cdot g(x)$ હોય,તો $g(x)$ ની કિંમત શોધો.

જો $\pi \leq x \leq 2 \pi$ હોય,તો $\cos^{-1}(\cos x)$ બરાબર શું થાય :-

સમીકરણ $\sin \left[ \cot^{-1} (1 + x) \right] = \cos \left[ \tan^{-1} x \right]$ નું સમાધાન કરતું $x$ નું મૂલ્ય શોધો.

$2{\tan ^{ - 1}}\frac{1}{3} + {\tan ^{ - 1}}\frac{1}{2} = $

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