$$5\ \cos^{-1}(-\frac{\sqrt{3}}{2})+4\ \tan^{-1}(\sqrt{3})+351n^{-1}0)$$
$\frac{55614507256445869068661072648475053235360514837707}{6247858281097233125000000000000000000000000000000}\approx 8.901371439$
$$5 \cdot 0.9996573249755573 ^ {-1} + 4 + 4 \cdot -0.15838444032453758 ^ {2}$$
$$5\times \frac{10000000000000000}{9996573249755573}+4+4\left(-0.15838444032453758^{2}\right)$$
$$\frac{50000000000000000}{9996573249755573}+4+4\left(-0.15838444032453758^{2}\right)$$
$$\frac{89986292999022292}{9996573249755573}+4\left(-0.15838444032453758^{2}\right)$$
$$\frac{89986292999022292}{9996573249755573}+4\left(-0.0250856309369170058398350408322564\right)$$
$$\frac{89986292999022292}{9996573249755573}-0.1003425237476680233593401633290256$$
$$\frac{55614507256445869068661072648475053235360514837707}{6247858281097233125000000000000000000000000000000}$$
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