13 Test file number 188

  13.1 Problem number 12
  13.2 Problem number 67
  13.3 Problem number 68
  13.4 Problem number 75
  13.5 Problem number 266

Test folder name:

test_cases/7_Inverse_hyperbolic_functions/7.1_Inverse_hyperbolic_sine/188_7.1.5_Inverse_hyperbolic_sine_functions