Flashcards: Trig basics
All 39 terms
Galician | Spanish |
|---|---|
| sin30° |  1/2 |
| cos30° | √3/2 |
| tan30° | √3/3 |
| sin60° | √3/2 |
| cos60° | 1/2 |
| tan60° | √3 |
| sin45° | √2/2 |
| cos45° | √2/2 |
| tan45° | 1 |
| π/4 | 45° |
| π/3 | 60° |
| π/6 | 30° |
| sin0 | 0 |
| cos0 | 1 |
| tan0 | 0 |
| sin (π/2) | 1 |
| cos (π/2) | 0 |
| tan (π/2) | undefined |
| sin π | 0 |
| cos π | -1 |
| tan π | 0 |
| sin (3π/2) | -1 |
| cos (3π/2) | 0 |
| tan (3π/2) | undefined |
| quadrant II | sin + |
| quadrant III | tan + |
| quandrant IV | cos + |
| area of sector | A = ½r²θ |
| area of circle | πr² |
| reference angle | acute positive angle with x-axis |
| sin(π/6) | 1/2 |
| cos(π/6) | √3/2 |
| tan(π/6) | √3/3 |
| sin(π/4) | √2/2 |
| cos(π/4) | √2/2 |
| tan(π/4) | 1 |
| sin(π/3) | √3/2 |
| cos(π/3) | 1/2 |
| tan(π/3) | √3 |