W tabli poniżej przedstawiono wartości funkcji trygonometrycznych wybranych kątów przedstawionych w radianach i stopniach.
| \(\alpha\) | \(\text{sin} \: \alpha\) | \(\text{cos} \: \alpha\) | \(\text{tg} \: \alpha\) | \(\text{ctg} \: \alpha\) |
\(\text{radiany}\)
| \(\text{stopnie}\) |
| \(0\) | \(0\) | \(0\) | \(1\) | \(0\) | \(-\) |
| \(\dfrac{\pi}{12}\) | \(15\) | \(\dfrac{\sqrt{6} - \sqrt{2}}{4}\) | \(\dfrac{\sqrt{6} + \sqrt{2}}{4}\) | \(2 - \sqrt{3}\) | \(2 + \sqrt{3}\) |
| \(\dfrac{\pi}{10}\) | \(18\) | \(\dfrac{\sqrt{5} - 1}{4}\) | \(\dfrac{\sqrt{10 + 2 \sqrt{5}}}{4}\) | \(\dfrac{\sqrt{25 - 10 \sqrt{5}}}{5}\) | \(\sqrt{5 + 2 \sqrt{5}}\) |
| \(\dfrac{\pi}{8}\) | \(22 \dfrac{1}{2}\) | \(\dfrac{\sqrt{2 - \sqrt{2}}}{2}\) | \(\dfrac{\sqrt{2 - \sqrt{2}}}{2}\) | \(\sqrt{2} -1\) | \(\sqrt{2} + 1\) |
| \(\dfrac{\pi}{6}\) | \(30\) | \(\dfrac{1}{2}\) | \(\dfrac{\sqrt{3}}{2}\) | \(\dfrac{\sqrt{3}}{3}\) | \(\sqrt{3}\) |
| \(\dfrac{\pi}{4}\) | \(45\) | \(\dfrac{\sqrt{2}}{2}\) | \(\dfrac{\sqrt{2}}{2}\) | \(1\) | \(1\) |
| \(\dfrac{\pi}{3}\) | \(60\) | \(\dfrac{\sqrt{3}}{2}\) | \(\dfrac{1}{2}\) | \(\sqrt{3}\) | \(\dfrac{\sqrt{3}}{3}\) |
| \(\dfrac{5}{12} \pi\) | \(75\) | \(\dfrac{\sqrt{6} + \sqrt{2}}{4}\) | \(\dfrac{\sqrt{6} - \sqrt{2}}{4}\) | \(2 + \sqrt{3}\) | \(2 - \sqrt{3}\) |
| \(\dfrac{\pi}{2}\) | \(90\) | \(1\) | \(0\) | \(-\) | \(0\) |
| \(\pi\) | \(180\) | \(0\) | \(-1\) | \(0\) | \(-\) |
| \(\dfrac{3}{2} \pi\) | \(270\) | \(-1\) | \(0\) | \(-\) | \(0\) |
| \(2 \pi\) | \(360\) | \(0\) | \(1\) | \(0\) | \(-\) |
\(\dfrac{\sqrt{2 - \sqrt{2}}}{2}\)
Opinie - Wartości funkcji trygonometrycznych - Tablice trygonometryczne