The Unit Circle, calculus homework help

The Unit Circle, calculus homework help

Determine whether the statement is True or False. Justify your answer.

  1. sin a = sin(a – 6π)
  2. cosleft parenthesis minus fraction numerator 7 straight pi over denominator 2 end fraction right parenthesis=cosleft parenthesis straight pi plus straight pi over 2 right parenthesis