수식 4: left parenthesis, 1.5cos left parenthesis, "t" , right parenthesis minus 4 , 1.5sin left parenthesis, "t" , right parenthesis plus 3 , right parenthesis1.5cost−4,1.5sint+3
정의역 t 최솟값: 00
less than or equal to "t" less than or equal to≤t≤
정의역 t 최댓값: 6.2 86.28
4
수식 5: left parenthesis, 4cos left parenthesis, "t" , right parenthesis , negative 4sin left parenthesis, "t" , right parenthesis minus 3 , right parenthesis4cost,−4sint−3
정의역 t 최솟값: 00
less than or equal to "t" less than or equal to≤t≤
정의역 t 최댓값: 3.1 43.14
5
수식 6: left parenthesis, 3cos left parenthesis, "t" , right parenthesis plus 8.5 , 3sin left parenthesis, "t" , right parenthesis plus 7.5 , right parenthesis3cost+8.5,3sint+7.5
정의역 t 최솟값: negative 1.5 7−1.57
less than or equal to "t" less than or equal to≤t≤
정의역 t 최댓값: 3.1 43.14
6
수식 7: left parenthesis, negative 3cos left parenthesis, "t" , right parenthesis minus 8.5 , 3sin left parenthesis, "t" , right parenthesis plus 7.5 , right parenthesis−3cost−8.5,3sint+7.5
정의역 t 최솟값: negative 1.5 7−1.57
less than or equal to "t" less than or equal to≤t≤
