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Exact Values
Memorising exact values in trigonometry based on functions and angles.
| Function | Exact Value |
|---|---|
| sin 30 | 1 / 2 |
| sin 60 | root 3 / 2 |
| sin 45 | 1 / root 2 |
| cos 30 | root 3 / 2 |
| cos 60 | 1 / 2 |
| cos 45 | 1 / root 2 |
| tan 30 | 1 / root 3 |
| tan 60 | root 3 |
| tan 45 | 1 |