# 需要导入模块: import sympy [as 别名]

# 或者: from sympy import tan [as 别名]

def test_conv7():

x = Symbol("x")

y = Symbol("y")

assert sin(x/3) == sin(sympy.Symbol("x") / 3)

assert cos(x/3) == cos(sympy.Symbol("x") / 3)

assert tan(x/3) == tan(sympy.Symbol("x") / 3)

assert cot(x/3) == cot(sympy.Symbol("x") / 3)

assert csc(x/3) == csc(sympy.Symbol("x") / 3)

assert sec(x/3) == sec(sympy.Symbol("x") / 3)

assert asin(x/3) == asin(sympy.Symbol("x") / 3)

assert acos(x/3) == acos(sympy.Symbol("x") / 3)

assert atan(x/3) == atan(sympy.Symbol("x") / 3)

assert acot(x/3) == acot(sympy.Symbol("x") / 3)

assert acsc(x/3) == acsc(sympy.Symbol("x") / 3)

assert asec(x/3) == asec(sympy.Symbol("x") / 3)

assert sin(x/3)._sympy_() == sympy.sin(sympy.Symbol("x") / 3)

assert sin(x/3)._sympy_() != sympy.cos(sympy.Symbol("x") / 3)

assert cos(x/3)._sympy_() == sympy.cos(sympy.Symbol("x") / 3)

assert tan(x/3)._sympy_() == sympy.tan(sympy.Symbol("x") / 3)

assert cot(x/3)._sympy_() == sympy.cot(sympy.Symbol("x") / 3)

assert csc(x/3)._sympy_() == sympy.csc(sympy.Symbol("x") / 3)

assert sec(x/3)._sympy_() == sympy.sec(sympy.Symbol("x") / 3)

assert asin(x/3)._sympy_() == sympy.asin(sympy.Symbol("x") / 3)

assert acos(x/3)._sympy_() == sympy.acos(sympy.Symbol("x") / 3)

assert atan(x/3)._sympy_() == sympy.atan(sympy.Symbol("x") / 3)

assert acot(x/3)._sympy_() == sympy.acot(sympy.Symbol("x") / 3)

assert acsc(x/3)._sympy_() == sympy.acsc(sympy.Symbol("x") / 3)

assert asec(x/3)._sympy_() == sympy.asec(sympy.Symbol("x") / 3)