$f: R \rightarrow R$ ને $f(x) = \cos(\tan^{-1}(\sin(\tan^{-1} x)))$ દ્વારા વ્યાખ્યાયિત કરો. તો $\lim_{x \rightarrow \infty} (f \circ f)(x)$ ની કિંમત શોધો.

  • A
    $\frac{3}{2 \sqrt{3}}$
  • B
    $\frac{\sqrt{2}}{3}$
  • C
    $\sqrt{\frac{2}{3}}$
  • D
    $\frac{2}{3 \sqrt{3}}$

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$x = 0$ આગળ $\frac{d}{dx} \tan^{-1} \left[ \frac{3a^2x - x^3}{a(a^2 - 3x^2)} \right]$ નું મૂલ્ય શોધો.

$\cos^{-1}(\cos 12) - \sin^{-1}(\sin 14)$ ની કિંમત શોધો.

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$\cot^{-1}(1) + \cot^{-1} (\frac{1}{2}) + \cot^{-1}(\frac{1}{3}) =$

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