code: def test_sin():
      e = sin(x).lseries(x)
      assert next(e) == x
      assert next(e) == -(x**3) / 6
      assert next(e) == x**5 / 120
  
file_path: sympy/sympy/series/tests/test_lseries.py
imports: from sympy.core.numbers import E
  from sympy.core.singleton import S
  from sympy.functions.elementary.exponential import exp
  from sympy.functions.elementary.hyperbolic import tanh
  from sympy.functions.elementary.trigonometric import cos, sin
  from sympy.series.order import Order
  from sympy.abc import x, y
label_desc: Use image node_id 1 for calling a global function with example usage: test_sin() without return types