19 Test file number 70

  19.1 Problem number 164
  19.2 Problem number 517
  19.3 Problem number 518
  19.4 Problem number 528
  19.5 Problem number 529

Test folder name:

test_cases/4_Trig_functions/4.1_Sine/70_4.1.1.2-g_cos-^p-a+b_sin-^m