જો $x$ એ વાસ્તવિક સંખ્યા હોય,તો $\operatorname{Tan}^{-1}(\sqrt{x(x+1)})+\operatorname{Sin}^{-1}(\sqrt{x^2+x+1})=\frac{\pi}{2}$ ના ઉકેલોની સંખ્યા કેટલી છે?

  • A
    $0$
  • B
    $1$
  • C
    $2$
  • D
    $4$

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Similar Questions

$\tan ^{-1}\left(\frac{\cos \left(\frac{15 \pi}{4}\right)-1}{\sin \left(\frac{\pi}{4}\right)}\right)$ નું મૂલ્ય કેટલું થાય?

$\tan ^{-1}(-\sqrt{3})$ નું મુખ્ય મૂલ્ય શોધો.

જો $\frac{3x+1}{(x-1)(x+3)}=\frac{A}{x-1}+\frac{B}{x+3}$ હોય,તો $\sin^{-1} \frac{A}{B}$ ની કિંમત શોધો.

$\tan^{-1} \frac{x}{\pi} < \frac{\pi}{3}, x \in N$ હોય,તો $x$ ની મહત્તમ કિંમત શોધો :-

Difficult
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કિંમત શોધો: $\cos^{-1} \left( \cos \frac{7\pi}{6} \right)$

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