code: def forward(a):
      a = np.deg2rad(a)
      return np.rad2deg(np.log(np.abs(np.tan(a) + 1.0 / np.cos(a))))
  
imports: import matplotlib.pyplot
  import numpy
  import matplotlib.scale
  from matplotlib.ticker import FixedLocator, NullFormatter
label_desc: Use image node_id 1 for calling a global function with example usage: forward(a) and returns: np