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

  • A
    $0$
  • B
    $1$
  • C
    $-1$
  • D
    $\frac{1}{2}$

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$x$ ની સાપેક્ષમાં $\cos^{-1} \left( \sqrt{\frac{1+x}{2}} \right)$ નું વિકલન સહગુણક શું છે?

જો $\sec^{-1} \left( \frac{x^2 + y^2}{x^2 - y^2} \right) = 2a$, એ રીતે કે $y \frac{dy}{dx} = x \cdot f(a)$, તો $f \left( \frac{2\pi}{3} \right)$ ની કિંમત શોધો

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જો $\cos^{-1} \left( \frac{x}{2} \right) + \cos^{-1} \left( \frac{y}{3} \right) = \theta$ હોય,તો $9 x^{2} - 12 x y \cos \theta + 4 y^{2} =$ શું થાય?

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