Expression 5: "m" equals StartFraction, cos left parenthesis, "a" , right parenthesis minus cos left parenthesis, "k" "a" , right parenthesis Over sin left parenthesis, "a" , right parenthesis minus sin left parenthesis, "k" "a" , right parenthesis , EndFractionm=cosa−coskasina−sinka
Expression 6: "f" left parenthesis, "x" , right parenthesis equals "m" left parenthesis, "x" minus sin left parenthesis, "a" , right parenthesis , right parenthesis plus cosine left parenthesis, "a" , right parenthesisfx=mx−sina+cosa
6
Expression 7: "r" equals 1r=1
negative 10−10
1010
7
Expression 8: "y" equals "f" left parenthesis, "x" , right parenthesis left brace, sin left parenthesis, "a" , right parenthesis less than "x" less than sin left parenthesis, "k" "a" , right parenthesis , right bracey=fxsina<x<sinka
8
Expression 9: "y" equals "f" left parenthesis, "x" , right parenthesis left brace, sin left parenthesis, "a" , right parenthesis greater than "x" greater than sin left parenthesis, "k" "a" , right parenthesis , right bracey=fxsina>x>sinka