| x | 0 | π/6 | π/4 | π/3 | π/2 | π | 2 π |
| cos(x) | 1 | 3/2 | 2/2 | 1/2 | 0 | -1 | 1 |
| sin(x) | 0 | 1/2 | 2/2 | 3/2 | 1 | 0 | 0 |
Exercice
29
Inéquations : sin(x) < 3/2, sin(x) ≥ 3/2
Inéquations : sin(x) < 3/2, sin(x) ≥ 3/2
| x | 0 | π/6 | π/4 | π/3 | π/2 | π | 2 π |
| cos(x) | 1 | 3/2 | 2/2 | 1/2 | 0 | -1 | 1 |
| sin(x) | 0 | 1/2 | 2/2 | 3/2 | 1 | 0 | 0 |