Expression 6: "y" equals cosine left parenthesis, "a" , right parenthesis "x" positive left parenthesis, sin left parenthesis, "a" , right parenthesis minus "a" cos left parenthesis, "a" , right parenthesis , right parenthesisy=cosax+sina−acosa
6
Expression 7: "y" equals cosine left parenthesis, "x" , right parenthesis left brace, 0 less than "x" less than "a" , right bracey=cosx0<x<a
7
`\cos(x)` = ${b} left parenthesis, negative 2.6 , 8 , right parenthesis−2.6,8
Label:
8
`\sin(x)` left parenthesis, negative 2.6 , 6 , right parenthesis−2.6,6