70 Test file number 140

  70.1 Problem number 43
  70.2 Problem number 45
  70.3 Problem number 46

Test folder name:

test_cases/4_Trig_functions/4.7_Miscellaneous/140_4.7.6_f^-a+b_x+c_x^2-trig-d+e_x+f_x^2-^n