1 . 若
,则
与
为共线向量. ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f9f8764c76c9b62a0a60af753a1e82c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
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2 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f987c777f3aaf496edfe74674af627.png)
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f987c777f3aaf496edfe74674af627.png)
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3 . 已知角
的终边经过点
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f032f724621a450bfa4e1eff316b8bef.png)
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554516a5ae7303967f3dd21ee0bd6e36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baedc4d7e690ab3f7d80d30ba0a9efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/992606728e61c234b0c0398f61e73a81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f032f724621a450bfa4e1eff316b8bef.png)
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4 . 当
时,函数
的图象与直线
的公共点的个数为4个.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ba8d2141d285c963ec078fe2ce8686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb70fdf064b9193e506ca43f4672af56.png)
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5 . 角
终边经过点(-3,4),则
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeee28deaf9f30e505b208f835dce0d4.png)
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6 . 已知扇形的周长是6,面积是2,则扇形的圆心角的弧度数α是1或4.( )
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7 .
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09fac5fd3f4219ba6fdcee0479563fa.png)
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8 .
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38c8c5e8e2ffca2898782901dbb5e4c4.png)
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9 .
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e391cad20a6919177c658e40808b150.png)
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