78 Test file number 145

  78.1 Problem number 203
  78.2 Problem number 204
  78.3 Problem number 205
  78.4 Problem number 206
  78.5 Problem number 207
  78.6 Problem number 208

Test folder name:

test_cases/5_Inverse_trig_functions/5.2_Inverse_cosine/145_5.2.2-d_x-^m-a+b_arccos-c_x-^n