Calculus question

Save m #4: Consider the following graphs (1) (2) 0.5 0.5 -1.57 -1 -0.57 0.57 1.57 27 -1.57 AT -0.57 0.57 1.57 -05 -0.5- (3) (4) 0.5 2 75 1 7 0.5 (5) (6) 0.5 -1.57 0.5- (a) Which of the above graphs is the graph of the function y = sin(x + 2 )? Enter the number of the graph into the answer box below. (b) Which of the above graphs is the graph of the function y = cos( )? Enter the number of the graph into the answer box below