Determine the exact value of the following by applying the trigonometric ratios.

1. cos 30° = 7. cot 60° =
2. sec 45 = 8. sec 30º =
3. sin 60° = 9. cos 45° =
4. csc 30° = 10. csc 60° =
5. tan 45º = 11. cot 45° =
6. sin 30° = 12. tan 60° =​