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銳角三角函數的定義

Authored by HsingChuan Tsai

Mathematics

10th - 12th Grade

Used 55+ times

銳角三角函數的定義
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18 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

請問:sinθ=?

b a\frac{\ \ \ \ 鄰\ b\ \ \ \ }{對\ a}

a c\frac{\ \ \ \ 對\ a\ \ \ \ }{斜\ c}

a b\frac{\ \ \ \ 對\ a\ \ \ \ }{鄰\ b}

c b\frac{\ \ \ \ \ 斜\ c\ \ \ \ \ }{鄰\ b}

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

請問:cosθ=?

      b     c\frac{\ \ \ \ 鄰\ b\ \ \ \ }{斜\ c} 

      a     c\frac{\ \ \ \ 對\ a\ \ \ \ }{斜\ c} 

      a     b\frac{\ \ \ \ 對\ a\ \ \ \ }{鄰\ b} 

       c      b\frac{\ \ \ \ \ 斜\ c\ \ \ \ \ }{鄰\ b} 

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

請問:tanθ=?

      b     c\frac{\ \ \ \ 鄰\ b\ \ \ \ }{斜\ c} 

      a     c\frac{\ \ \ \ 對\ a\ \ \ \ }{斜\ c} 

      a     b\frac{\ \ \ \ 對\ a\ \ \ \ }{鄰\ b} 

       c      b\frac{\ \ \ \ \ 斜\ c\ \ \ \ \ }{鄰\ b} 

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

請問:cotθ=?

      b     c\frac{\ \ \ \ 鄰\ b\ \ \ \ }{斜\ c} 

      a     c\frac{\ \ \ \ 對\ a\ \ \ \ }{斜\ c} 

      b     a\frac{\ \ \ \ 鄰\ b\ \ \ \ }{對\ a} 

       c      b\frac{\ \ \ \ \ 斜\ c\ \ \ \ \ }{鄰\ b} 

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

請問:secθ=?

      b     c\frac{\ \ \ \ 鄰\ b\ \ \ \ }{斜\ c} 

      a     c\frac{\ \ \ \ 對\ a\ \ \ \ }{斜\ c} 

      b     a\frac{\ \ \ \ 鄰\ b\ \ \ \ }{對\ a} 

       c      b\frac{\ \ \ \ \ 斜\ c\ \ \ \ \ }{鄰\ b} 

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

請問:cscθ=?

      b     c\frac{\ \ \ \ 鄰\ b\ \ \ \ }{斜\ c} 

      a     c\frac{\ \ \ \ 對\ a\ \ \ \ }{斜\ c} 

      b     a\frac{\ \ \ \ 鄰\ b\ \ \ \ }{對\ a} 

       c      a\frac{\ \ \ \ \ 斜\ c\ \ \ \ \ }{對\ a} 

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

三角函數 sinθ 的中文名?

餘弦

正切

正弦

餘切

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