 |
Java Games: Flashcards, matching, concentration, and word search. |
 |
|
Special Trig Functions
Know the values of the trig functions for the special angles and the quadrantal angles.
|
| A | B |
|---|
| sin 30 | 1/2 |
| cos 30 | radical 3/2 |
| tan 30 | radical3/3 |
| sin 45 | radical 2/2 |
| cos 45 | radical 2/2 |
| tan 45 | 1 |
| sin 60 | radical 3/2 |
| cos 60 | 1/2 |
| tan 60 | radical 3 |
| sin 0 | 0 |
| cos 0 | 1 |
| tan 0 | 0 |
| sin 90 | 1 |
| cos 90 | 0 |
| tan 90 | undefined |
| sin 180 | 0 |
| cos180 | -1 |
| tan 180 | 0 |
| sin 270 | -1 |
| cos 270 | 0 |
| tan 270 | undefined |
| the sign of tan in 3rd quadrant | positive |
|
| |
