题目内容
tan95°-tan35°-
tan95°tan35°=______．
| 3 |
tan95°-tan35°-
tan95°tan35°
=tan(95°-35°)(1+tan95°tan35°)-
tan95°tan35°
=tan(60°)(1+tan95°tan35°)-
tan95°tan35°
=
+
tan95°tan35°-
tan95°tan35°
=
故答案为：
．
| 3? |
=tan(95°-35°)(1+tan95°tan35°)-
| 3? |
=tan(60°)(1+tan95°tan35°)-
| 3? |
=
| 3 |
| 3 |
| 3? |
=
| 3 |
故答案为：
| 3 |
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