Enter T between 0 and PI/2
 T, Calculated answer, True answer
  0.100000  0.316236  0.316228
 Enter T between 0 and PI/2
 T, Calculated answer, True answer
  0.500000  0.707133  0.707107
 Enter T between 0 and PI/2
 T, Calculated answer, True answer
  1.000000  1.000044  1.000000
 Enter T between 0 and PI/2
 T, Calculated answer, True answer
  1.500000  1.224804  1.224745
 Enter T between 0 and PI/2