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1 . 写出一组使得不等式
成立的
,
,其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ca3f0a4b2d06539e74594736881aaa.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77b84faebe697c810fec3de69708a265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ca3f0a4b2d06539e74594736881aaa.png)
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2 . 已知
为第三象限角,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e888ea14da893971e13858945bf0cd.png)
___________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6cf57eadda0fd38b53717a6ee92aab6.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74205638b751f69394c082d391b323e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e888ea14da893971e13858945bf0cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6cf57eadda0fd38b53717a6ee92aab6.png)
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3 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7bb18ebe7efb26e06de5e293120c53d.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7bb18ebe7efb26e06de5e293120c53d.png)
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4 . 在
中,三个内角
的对边分别为
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5fef9e2d80a83d93435fa3ba51697f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
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5 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e25662a1cdcbce844dd63ed260cd9c3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d793dc190f23c3692a1a769ef58b584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e25662a1cdcbce844dd63ed260cd9c3.png)
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6 . 角
的终边经过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bf80710c348062f45a2ada5e3f91ec2.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ad76bca6ce983f03839ac523ccd10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663e2a3c6f6988e81c4ffcf1bddd1c4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bf80710c348062f45a2ada5e3f91ec2.png)
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7 . 已知角
的顶点位于坐标原点,始边与
轴的非负半轴重合,终边经过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f4d63efe3b074b8644890d2c4902f26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
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8 . 若一个扇形的圆心角为2弧度,半径为2cm,则这个扇形的弧长是______ cm.
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9 . 已知角
的终边与单位圆交于点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b95d47e0134efc07bd1626ee632517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
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10 . 已知圆的半径为2,则
的圆心角的弧度数为__________ ;所对的弧长为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
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