# -*- coding: utf-8 -*-
import sympy
import sympy.abc as abc

# Typical vars
x = abc.x
y = abc.y
z = abc.z
t = abc.t

# Typical cons
a = abc.a
b = abc.b
c = abc.c
k = abc.k
m = abc.m
n = abc.n

# Useful functions
cos = sympy.cos
sin = sympy.sin
tan = sympy.tan
exp = sympy.exp
csc = sympy.csc
sec = sympy.sec
cot = sympy.cot
arccos = sympy.acos
arctan = sympy.atan
arcsin = sympy.asin
ln = sympy.ln
log = sympy.log
