Expression 1: "y" equals sine left parenthesis, "x" , right parenthesis cosine left parenthesis, "x" , right parenthesis Has graph. To audio trace, press ALT+T.y=sinxcosx
1
Expression 2: "y" equals left parenthesis, 1 half , right parenthesis equals 0.5 Has graph. To audio trace, press ALT+T.y=12