python使用三角迭代计算圆周率PI

"""
皮蛋编程(https://www.pidancode.com)
创建日期：2022/4/1
功能描述：使用三角迭代计算圆周率 PI
"""
import math

x = 1.0
y = 1.0
z = 1.0
w = 1.0
v = 1.0
u = 1.0
for i in range(30):
    x = math.sin(x) + x
    y = math.cos(y) + y
    z = math.cos(z) + math.sin(z) + z
    w = math.cos(w) - math.sin(w) + w
    v = math.cos(v) * math.sin(v) + v
    u = math.cos(u) / math.sin(u) + u
    print(i)
    print(x, y * 2.0, z * 4.0 / 3.0, w * 4.0, v * 2.0, u * 2.0)

import math

def sin2(x):
    return ((math.e ** complex(0.0, x) - math.e ** complex(0.0, -x)) / 2.0).imag

def cos2(x):
    return ((math.e ** complex(0.0, x) + math.e ** complex(0.0, -x)) / 2.0).real

x = 1.0
y = 1.0
x2 = 1.0
y2 = 1.0
for i in range(5):
    x = math.sin(x) + x
    y = math.cos(y) + y
    x2 = sin2(x2) + x2
    y2 = cos2(y2) + y2
    print(i, x, x2, y * 2.0, y2 * 2.0)