Expression 10: "f" Subscript, "x" , Baseline left parenthesis, "t" , right parenthesis equals 100sine left parenthesis, StartFraction, "t" squared Over 30 , EndFraction , right parenthesis plus "t" squaredfxt=100sint230+t2
10
Expression 11: "f" Subscript, "y" , Baseline left parenthesis, "t" , right parenthesis equals negative 100cosine left parenthesis, StartFraction, "t" squared Over 30 , EndFraction , right parenthesisfyt=−100cost230