Python ProgrammingMediumHigh School (11–12)High School (9–10)UndergraduateGeneralPython for Science and Maths › Trigonometry and Waves by Computer
Created by StemPy LabA float is compared with ==. What does this print? import numpy as np; print(np.sin(np.radians(30)) == 0.5)
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← The tangent of three angles, with the huge value hidden. What does this print? import numpy as np; x = np.radians([0, 45, 90]); t = np.tan(x); t[np.abs(t) > 8] = np.nan; print(int(np.isnan(t).sum()), round(float(t[1]), 1))A rope has points at 0.5, 1, 1.5 and 2.5 m, and a wave of wave number π rad/m is drawn at t = 0. What does this code print? import numpy as np; x = np.array([0.5, 1, 1.5, 2.5]); print(np.round(np.sin(np.pi * x), 2)) →
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