题目内容
若角α,β满足-
<α<β<
,则α-β的取值范围是( )
| π |
| 2 |
| π |
| 3 |
分析:利用不等式的性质即可得出.
解答:解:∵角α,β满足-
<α<β<
,∴α-β<0,α-β>-
-
=-
.
∴-
<α-β<0.
故选A.
| π |
| 2 |
| π |
| 3 |
| π |
| 2 |
| π |
| 3 |
| 5π |
| 6 |
∴-
| 5π |
| 6 |
故选A.
点评:熟练掌握不等式的性质是解题的关键.
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题目内容
| π |
| 2 |
| π |
| 3 |
| π |
| 2 |
| π |
| 3 |
| π |
| 2 |
| π |
| 3 |
| 5π |
| 6 |
| 5π |
| 6 |