| 15° | 30° | 45° | 60° | 75° | |
| 165° | 150° | 135° | 120° | 105° | |
| 正弦 | \(\dfrac{\sqrt{6}-\sqrt{2}}{4}\) | \(\dfrac{1}{2}\) | \(\dfrac{\sqrt{2}}{2}\) | \(\dfrac{\sqrt{3}}{2}\) | \(\dfrac{\sqrt{6}+\sqrt{2}}{4}\) |
| a= | b= | c= ⑥ | 比 ① |
| \(\sqrt{6}\) | 2 | \(\sqrt{3}+ 1\) | \(2\sqrt{2}\) |
| \(\sqrt{6}\) | 2 | \(\sqrt{3}- 1\) | |
| sin A= ② | sin B= | sin C= ⑤ | |
| \(\dfrac{\sqrt{3}}{2}\) | \(\dfrac{1}{\sqrt{2}}\) | \(\dfrac{\sqrt{6}+\sqrt{2}}{4}\) | 1 |
| \(\dfrac{\sqrt{3}}{2}\) | \(\dfrac{1}{\sqrt{2}}\) | \(\dfrac{\sqrt{6}-\sqrt{2}}{4}\) | |
| A= ③ | B= | C= ④ | |
| 60° | 45° | 75° | |
| 120° | 45° | 15° |
| a= ⑥ | b= | c= | 比 ① |
| \(\sqrt{3}+1\) | 2 | \(\sqrt{2}\) | \(2\sqrt{2}\) |
| \(\sqrt{3}-1\) | 2 | \(\sqrt{2}\) | |
| sin A= ⑤ | sin B= ② | sin C= | |
| \(\dfrac{\sqrt{6}+\sqrt{2}}{4}\) | \(\dfrac{1}{\sqrt{2}}\) | \(\dfrac{1}{2}\) | 1 |
| \(\dfrac{\sqrt{6}-\sqrt{2}}{4}\) | \(\dfrac{1}{\sqrt{2}}\) | \(\dfrac{1}{2}\) | |
| A= ④ | B= ③ | C= | |
| 75° | 45° | 30° | |
| 15° | 135° | 30° |