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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def rotation_coefs(self):
 """ get the rotation coefficents in radians Returns ------- rotation_coefs : list the rotation coefficients implied by Vario2d.bearing """

        return [np.cos(self.bearing_rads),
                np.sin(self.bearing_rads),
                -1.0*np.sin(self.bearing_rads),
                np.cos(self.bearing_rads)]