📅  最后修改于: 2022-03-11 14:45:21.226000             🧑  作者: Mango
import math
def sin(x,n):
z = 0
for i in range(n+1):
z = z + ( (-1)**i / math.factorial(2*i+1) ) * x**(2*i+1)
return float("{:.4f}".format(z))