x
import numpy as nparr = np.array([np.pi/2, np.pi/3, np.pi/4, np.pi/5])x = np.sin(arr)print(x)[1. 0.8660254 0.70710678 0.58778525]
import numpy as nparr = np.array([np.pi/2, np.pi/3, np.pi/4, np.pi/5])x = np.sin(arr)print(x)[1. 0.8660254 0.70710678 0.58778525]