code: def inverse(a):
      a = np.deg2rad(a)
      return np.rad2deg(np.arctan(np.sinh(a)))
  
imports: import matplotlib.pyplot
  import numpy
  import matplotlib.scale
  from matplotlib.ticker import FixedLocator, NullFormatter
label_desc: Use image node_id 2 for calling a global function with example usage: inverse(a) and returns: np