
2.17三角函数复习
Authored by 豆子 豆
Mathematics
10th Grade
CCSS covered
Used 2+ times

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23 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2025°是( )
第一象限角
第二象限角
第三象限角
第四象限角
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
π
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知扇形的弧长为6,圆心角弧度数为3,则其面积为( )
3
6
9
12
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
30°
60°
90°
120°
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知sinθ<0,tanθ<0,则角θ的终边位于( )
第一象限
第二象限
第三象限
第四象限
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知P(3,4)是角α终边上的一点,则sinα=( )
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知角α的顶点在原点,始边与x轴的非负半轴重合,终边经过点(﹣3,4),则cosα=( )
3/5
-3/5
4/5
-4/5
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