62 Test file number 105

  62.1 Problem number 62
  62.2 Problem number 68
  62.3 Problem number 74
  62.4 Problem number 77
  62.5 Problem number 78

Test folder name:

test_cases/4_Trig_functions/4.3_Tangent/105_4.3.4.2-a+b_tan-^m-c+d_tan-^n-A+B_tan+C_tan^2-