'수학 > trigonometry' 카테고리의 다른 글
120422 45-45-90 Triangles (0) | 2012.04.22 |
---|---|
120422 sin ratio & cos ratio (0) | 2012.04.22 |
120411 Example - Finding the Angle & Example with Pythagorean Theorem (1) | 2012.04.11 |
120408 Solving Problems with the Tangent Ratio (0) | 2012.04.08 |
120408 Tangent for Angles Greater than 90 (0) | 2012.04.08 |