107 Test file number 201

  107.1 Problem number 46
  107.2 Problem number 48
  107.3 Problem number 50
  107.4 Problem number 54

Test folder name:

test_cases/7_Inverse_hyperbolic_functions/7.5_Inverse_hyperbolic_secant/201_7.5.2_Inverse_hyperbolic_secant_functions