1분 분량
Trigonometry basics: SOH CAH TOA and exact values
The three trig ratios, the two special triangles that give exact values, and how degrees relate to radians.
각, 삼각형과 삼각함수.
글 1개
1분 분량
The three trig ratios, the two special triangles that give exact values, and how degrees relate to radians.