Nhãn ẩn: left parenthesis, cos left parenthesis, 6 fifths pi , right parenthesis , sin left parenthesis, 6 fifths pi , right parenthesis , right parenthesiscos65π,sin65π
Biểu thức 11: left parenthesis, "t" cos left parenthesis, 6 fifths pi , right parenthesis , "t" sin left parenthesis, 6 fifths pi , right parenthesis , right parenthesistcos65π,tsin65π
00
miền t Cực tiểu:
less than or equal to "t" less than or equal to≤t≤
11
miền t Cực đại:
11
Biểu thức 12: left parenthesis, cos left parenthesis, 6 fifths pi , right parenthesis , "t" sin left parenthesis, 6 fifths pi , right parenthesis plus left parenthesis, 1 minus "t" , right parenthesis sin left parenthesis, 4 fifths pi , right parenthesis , right parenthesiscos65π,tsin65π+1−tsin45π
00
miền t Cực tiểu:
less than or equal to "t" less than or equal to≤t≤
11
miền t Cực đại:
12
Nhãn ẩn: left parenthesis, cos left parenthesis, 8 fifths pi , right parenthesis , sin left parenthesis, 8 fifths pi , right parenthesis , right parenthesiscos85π,sin85π
Biểu thức 14: left parenthesis, "t" cos left parenthesis, 8 fifths pi , right parenthesis , "t" sin left parenthesis, 8 fifths pi , right parenthesis , right parenthesistcos85π,tsin85π
00
miền t Cực tiểu:
less than or equal to "t" less than or equal to≤t≤
11
miền t Cực đại:
14
Biểu thức 15: left parenthesis, "t" cos left parenthesis, 8 fifths pi , right parenthesis plus left parenthesis, 1 minus "t" , right parenthesis cos left parenthesis, 6 fifths pi , right parenthesis , "t" sin left parenthesis, 8 fifths pi , right parenthesis plus left parenthesis, 1 minus "t" , right parenthesis sin left parenthesis, 6 fifths pi , right parenthesis , right parenthesistcos85π+1−tcos65π,tsin85π+1−tsin65π
00
miền t Cực tiểu:
less than or equal to "t" less than or equal to≤t≤
11
miền t Cực đại:
15
Biểu thức 16: left parenthesis, "t" cos left parenthesis, 8 fifths pi , right parenthesis plus left parenthesis, 1 minus "t" , right parenthesis , "t" sin left parenthesis, 8 fifths pi , right parenthesis , right parenthesistcos85π+1−t,tsin85π
00
miền t Cực tiểu:
less than or equal to "t" less than or equal to≤t≤
11
miền t Cực đại:
16
Nhãn ẩn: left parenthesis, StartFraction, negative 1 plus StartRoot, 5 , EndRoot Over 4 , EndFraction , StartFraction, StartRoot, 10 plus 2 StartRoot, 5 , EndRoot , EndRoot Over 4 , EndFraction , right parenthesis−1+54,10+254