Expression 1: left parenthesis, "a" times cos left parenthesis, "t" , right parenthesis times left parenthesis, 1 minus 2 times left parenthesis, sin left parenthesis, "t" , right parenthesis , right parenthesis squared , right parenthesis , "a" times sin left parenthesis, "t" , right parenthesis times left parenthesis, 1 plus 2 times left parenthesis, cos left parenthesis, "t" , right parenthesis , right parenthesis squared , right parenthesis , right parenthesisa·cost·1−2·sint2,a·sint·1+2·cost2
domain t Minimum: negative 4 times pi−4·π
less than or equal to "t" less than or equal to≤t≤