Expression 4: "y" equals "K" Subscript, "c" "o" "s" 0 , Baseline cosine left parenthesis, StartFraction, StartNestedFraction, pi NestedOver 2 , EndNestedFraction left parenthesis, "x" minus "h" Subscript, 0 , Baseline , right parenthesis Over left parenthesis, "v" Subscript, 0 , Baseline minus "h" Subscript, 0 , Baseline , right parenthesis , EndFraction , right parenthesis left brace, 0 less than or equal to "x" less than or equal to 2400 , right bracey=Kcos0cosπ2x−h0v0−h00≤x≤2400
Expression 8: "y" equals "K" Subscript, "c" "o" "s" 1 , Baseline cosine left parenthesis, StartFraction, StartNestedFraction, pi NestedOver 2 , EndNestedFraction left parenthesis, "x" minus "h" Subscript, 1 , Baseline , right parenthesis Over left parenthesis, "v" Subscript, 1 , Baseline minus "h" Subscript, 1 , Baseline , right parenthesis , EndFraction , right parenthesis left brace, 0 less than or equal to "x" less than or equal to 2400 , right bracey=Kcos1cosπ2x−h1v1−h10≤x≤2400