introduction to pytorch in [ ]torch tan(aout[ ]tensor([- - - - - ]in [ ]torch asin(aout[ ]tensor([- - - - - ]in [ ]torch acos(aout[ ]tensor([ ]in [ ]torch atan(aout[ ]tensor([- - - - - ]listing - illustrates few functions that are frequently used in machine learning--namelysigmoidtanhlog (which computes log( + ))erf (gaussian error function)and erfinv (inverse gaussian error functionlisting - additional trigonometric operations for tensors in [ ] torch linspace(- steps= in [ ] out[ ]tensor([- - - - - ]