30° and 45° triangles, Triangles de 30° et 45° (grade 12, math 30-1)

Question 1

30° triangle used to make ratios in trigonometry

Triangle de 30° utilisé pour établir des rapports en trigonométrie

Answer 1

You can divide each side by 2 to get numbers for the unit circle

Question 2

45° triangle used to make ratios in trigonometry

Triangle de 45° utilisé pour établir des rapports en trigonométrie

Answer 2

You can divide each side by the square root of 2 to get numbers for the unit circle