Python | symy . sin()方法

原文:https://www.geeksforgeeks.org/python-sympy-sin-method/

简单来说,sin()方法是正弦函数。利用 simpy 模块中的sin(x)方法,可以计算出 x 的正弦值。

Syntax : sympy.sin(x)
Return : Returns the sine of x 

代码#1: 下面是用 sin()方法求正弦函数的例子。

# importing sympy library
from sympy import *

# calling sin() method on expression
geek1 = sin(-1)
geek2 = sin(pi / 3)

print(geek1)
print(geek2)

输出:

-sin(1)
sqrt(3)/2

代码#2:

# importing sympy library
from sympy import *

# calling sin() method on expression
geek = sin(2 + 5j)
print(geek)

输出:

67.4789152384559 - 30.8794313435882*I