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Unit Circle
| degree/radians | trig value |
|---|---|
| 0 degrees sin | 0 |
| 0 degrees cos | 1 |
| 0 degrees tan | 0 |
| 0 degrees csc | und. |
| 0 degrees sec | 1 |
| 0 degrees cot | und. |
| 30 degrees sin | 1/2 |
| 30 degrees cos | sr 3 / 2 |
| 30 degrees tan | sr 3 / 3 |
| 30 degrees csc | 2 |
| 30 degrees sec | 2 sr 3 / 3 |
| 30 degrees cot | sr 3 |
| 45 degrees sin | sr 2 / 2 |
| 45 degrees cos | sr 2 / 2 |
| 45 degrees tan | 1 |
| 45 degrees csc | sr 2 |
| 45 degrees sec | sr 2 |
| 45 degrees cot | 1 |
| 60 degrees sin | sr 3 / 2 |
| 60 degrees cos | 1/2 |
| 60 degrees tan | sr 3 |
| 60 degrees csc | 2sr3 / 3 |
| 60 degrees sec | 2 |
| 60 degrees cot | sr 3 /3 |
| 90 degrees sin | 1 |
| 90 degrees cos | 0 |
| 90 degrees tan | und. |
| 90 degrees csc | 1 |
| 90 degrees sec | und. |
| 90 degrees cot | 0 |
| 120 degrees sin | sr3 / 2 |
| 120 degrees cos | -1/2 |
| 120 degrees tan | -sr3 |
| 120 degrees csc | 2sr3 / 3 |
| 120 degrees sec | -2 |
| 120 degrees cot | -sr3 / 3 |
| 135 degrees sin | sr2 / 2 |
| 135 degrees cos | -sr2 / 2 |
| 135 degrees tan | -1 |
| 135 degrees csc | sr2 |
| 135 degrees sec | -sr2 |
| 135 degrees cot | -1 |
| 150 degrees sin | 1/2 |
| 150 degrees cos | -sr3 / 2 |
| 150 degrees tan | -sr3 / 3 |
| 150 degrees csc | 2 |
| 150 degrees sec | -2sr3 /3 |
| 150 degrees cot | -sr3 |
| 180 degrees sin | 0 |
| 180 degrees cos | -1 |
| 180 degrees tan | 0 |
| 180 degrees csc | und. |
| 180 degrees sec | -1 |
| 180 degrees cot | und. |