
三角函數基礎題
Authored by 施 雅寧
Mathematics
10th - 11th Grade
Used 19+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
設θ為銳角,若 tanθ= ,則=
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
設cos100°=k,則以 k 表出 tan(-260°)=
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
如圖,圓內接四邊形ABCD,求 x
2
3
4
5
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
在第幾象限?
一
二
三
四
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
一人於地面A點測得山頂的仰角為30°,此人向山的方向前進200公尺後到B點,又測得山頂的仰角為45°,則此山的高度為多少公尺?
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
若∠B=85°,∠C=65°,a=20,則外接圓半徑為
10
20
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
0
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