The Unit Circle (In Radians)
Sin Pi / 3, 2 Pi / 3, 4 Pi / 3, or 5 Pi / 3
(Root 3) / 2
Cos Pi / 3, 2 Pi / 3, 4 Pi / 3, or 5 Pi / 3
1 / 2
Sin Pi / 6, 5 Pi / 6, 7 Pi / 6, or 11 Pi / 6
1 / 2
Csc Pi / 6, 5 Pi / 6, 7 Pi / 6, or 11 Pi / 6
2(Root 3) / 3
Sec Pi / 3, 2 Pi / 3, 4 Pi / 3, or 5 Pi / 3
2(Root 3) / 3
Cot Pi / 6, 5 Pi / 6, 7 Pi / 6, or 11 Pi / 6
Root 3
Tan Pi / 3, 2 Pi / 3, 4 Pi / 3, or 5 Pi / 3
Root 3
Cos Pi / 4, 3 Pi / 4, 5 Pi / 4, or 7 Pi / 4
(Root 2) / 2
Sin Pi / 4, 3 Pi / 4, 5 Pi / 4, or 7 Pi / 4
(Root 2) / 2
Cos Pi / 6, 5 Pi / 6, 7 Pi / 6, or 11 Pi / 6
(Root 3) / 2
Cot Pi / 3, 2 Pi / 3, 4 Pi / 3, or 5 Pi / 3
(Root 3) / 3
Tan Pi / 6, 5 Pi / 6, 7 Pi / 6, or 11 Pi / 6
(Root 3) / 3
Cot Pi / 4, 3 Pi / 4, 5 Pi / 4, or 7 Pi / 4
1
Tan Pi / 4, 3 Pi / 4, 5 Pi / 4, or 7 Pi / 4
1
Csc Pi / 3, 2 Pi / 3, 4 Pi / 3, or 5 Pi / 3
2
Sec Pi / 6, 5 Pi / 6, 7 Pi / 6, or 11 Pi / 6
2
Csc Pi / 4, 3 Pi / 4, 5 Pi / 4, or 7 Pi / 4
Root 2
Sec Pi / 4, 3 Pi / 4, 5 Pi / 4, or 7 Pi / 4
Root 2