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Basic Trig Values
This will help you to memorize the basic trig values for special angles and quadrantal angles.
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| A | B |
|---|
| sin π/4 | √(2)/2 |
| sin π/6 | 1/2 |
| sin π/3 | √(3)/2 |
| sin π | 0 |
| sin 3π/2 | -1 |
| sin π/2 | 1 |
| sin 2π | 0 |
| cos π/4 | √(2)/2 |
| cos π/3 | 1/2 |
| cos π/6 | √(3)/2 |
| cos π/2 | 0 |
| cos π | -1 |
| cos 0 | 1 |
| cos 3π/2 | 0 |
| tan π | 0 |
| tan π/2 | undefined |
| tan π/3 | √(3) |
| tan π/6 | √(3)/3 |
| tan π/4 | 1 |
| tan 0 | 0 |
| tan 2π | 0 |
| tan 3π/2 | undefined |
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