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?

\[-1000 \leq x \land x \leq -1\]
\[\cos \left(\frac{\pi}{4} - \frac{2}{3} \cdot {x}^{1.5}\right) \]
(FPCore (x)
 :precision binary64
 (cos (- (/ PI 4.0) (* (/ 2.0 3.0) (pow x 1.5)))))
double code(double x) {
	return cos(((((double) M_PI) / 4.0) - ((2.0 / 3.0) * pow(x, 1.5))));
}
public static double code(double x) {
	return Math.cos(((Math.PI / 4.0) - ((2.0 / 3.0) * Math.pow(x, 1.5))));
}
def code(x):
	return math.cos(((math.pi / 4.0) - ((2.0 / 3.0) * math.pow(x, 1.5))))
function code(x)
	return cos(Float64(Float64(pi / 4.0) - Float64(Float64(2.0 / 3.0) * (x ^ 1.5))))
end
function tmp = code(x)
	tmp = cos(((pi / 4.0) - ((2.0 / 3.0) * (x ^ 1.5))));
end
code[x_] := N[Cos[N[(N[(Pi / 4.0), $MachinePrecision] - N[(N[(2.0 / 3.0), $MachinePrecision] * N[Power[x, 1.5], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]
\cos \left(\frac{\pi}{4} - \frac{2}{3} \cdot {x}^{1.5}\right)