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2.17三角函数复习

Authored by 豆子 豆

Mathematics

10th Grade

CCSS covered

Used 2+ times

2.17三角函数复习
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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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