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}) = $ . . . . . . .

  • A
    $14$
  • B
    $15$
  • C
    $16$
  • D
    $13$

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Similar Questions

જો $\sin^{-1} x + \cos^{-1} y = \frac{2\pi}{5}$ હોય,તો $\cos^{-1} x + \sin^{-1} y$ ની કિંમત શું થાય?

જો $(\cos ^{-1} x)^2-(\sin ^{-1} x)^2 > 0$ હોય,તો

જો ${\tan ^{ - 1}}x + 2{\cot ^{ - 1}}x = \frac{{2\pi }}{3}$ હોય,તો $x =$ શોધો.

જો $0 < x < \frac{1}{\sqrt{2}}$ અને $\frac{\sin ^{-1} x}{\alpha}=\frac{\cos ^{-1} x}{\beta}$ હોય,તો $\sin \left(\frac{2 \pi \alpha}{\alpha+\beta}\right)$ ની કિંમત $......$ છે.

જો ${\tan ^{ - 1}}\frac{{x - 1}}{{x + 2}} + {\tan ^{ - 1}}\frac{{x + 1}}{{x + 2}} = \frac{\pi }{4}$ હોય,તો $x =$

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