题目内容
计算:6tan230°-
sin60°-cos45°.
| 3 |
6tan230°-
sin60°-cos45°,
=6×(
)2-
×
-
,
=2-
-
,
=
-
.
故答案为:
-
.
| 3 |
=6×(
| ||
| 3 |
| 3 |
| ||
| 2 |
| ||
| 2 |
=2-
| 3 |
| 2 |
| ||
| 2 |
=
| 1 |
| 2 |
| ||
| 2 |
故答案为:
| 1 |
| 2 |
| ||
| 2 |
练习册系列答案
相关题目
题目内容
| 3 |
| 3 |
| ||
| 3 |
| 3 |
| ||
| 2 |
| ||
| 2 |
| 3 |
| 2 |
| ||
| 2 |
| 1 |
| 2 |
| ||
| 2 |
| 1 |
| 2 |
| ||
| 2 |