锐角三角函数定义、特别角函数值、余角关系
Authored by 何莉虹老师 何莉虹老师
Mathematics
9th - 10th Grade
CCSS covered
Used 13+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
请问sin = ?
3/5
4/3
4/5
3/4
Tags
CCSS.HSG.SRT.C.6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
请问sec =?
4/5
5/4
3/5
5/3
Tags
CCSS.HSG.SRT.C.6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪个选项正确？
cosθ = 17/15
sinθ = 8/15
tanθ = 15/8
sinθ = 8/17
Tags
CCSS.HSG.SRT.C.6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者正確？
sin 60° = 1/2
sec 60° = 2
tan 30° = √3
cot 45° =
Tags
CCSS.HSG.SRT.C.7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列敘述何者錯誤？
cos(90° - θ) = sinθ
cot (90° - θ) = cosθ
sec(90° - θ) = cosecθ
sin(90° - θ) = cosθ
Tags
CCSS.HSG.SRT.C.7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
對邊/斜邊 即是
cosecθ
cosθ
sinθ
cotθ
Tags
CCSS.HSG.SRT.C.7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
斜邊/鄰邊 即是
tanθ
secθ
cosθ
sinθ
Tags
CCSS.HSG.SRT.C.6
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