

def test_diff3():
    (a, b, c) = map(Symbol, 'abc')
    p = Rational(5)
    e = ((a * b) + sin((b ** p)))
    assert (e == ((a * b) + sin((b ** 5))))
    assert (e.diff(p) == b)
    assert (e.diff(b) == (a + ((5 * (b ** 4)) * cos((b ** 5)))))
    e = tan(c)
    assert (e == tan(c))
    assert (e.diff(c) in [(cos(c) ** (- 2)), (1 + ((sin(c) ** 2) / (cos(c) ** 2))), (1 + (tan(c) ** 2))])
    e = ((c * log(c)) - c)
    assert (e == ((- c) + (c * log(c))))
    assert (e.diff(c) == log(c))
    e = log(sin(c))
    assert (e == log(sin(c)))
    assert (e.diff(c) in [((sin(c) ** (- 1)) * cos(c)), cot(c)])
    e = ((Rational(2) ** a) / log(Rational(2)))
    assert (e == ((2 ** a) * (log(Rational(2)) ** (- 1))))
    assert (e.diff(a) == (2 ** a))

dataset/ETHPy150Open sympy/sympy/sympy/core/tests/test_diff.py test_diff3/VarMisuse@78/84 `a`->`p`