题干
已知α为锐角,且
=2,求tan α的值.
| 3 |
| α |
| + |
| 3 |
| α |
| 2 |
| α |
| + |
| α |
答案(点此获取答案解析）
解:将
=2
| 3 |
| α |
| + |
| 3 |
| α |
| 2 |
| α |
| + |
| α |
