Free Printable 2021_F2_Maths_CH11

Worksheets

2021_F2_Maths_CH11_餘弦比

Total questions: 10

Worksheet time: 10mins

Name

Class

Date

鄰邊/斜邊即是

sinθ

cosθ

tanθ

以上皆不是

cosθ=

7.7/8.5

3.6/8.5

7.7/3.6

以上皆不是

求θ的值。

54.0°

36.0°

39.0°

51.0°

Refer to the figure. Find x, correct to 3 significant figures.

(參看附圖。求x，準確至三位有效數字。)

23.0

9.78

3.52

21.2

cosB＝？

cos0°

-1

參看附圖。求cos ∠C 的值。

3/4

4/5

3/5

4/3

以下哪一项是cos A 的值？

$\frac{4}{5}$

$\frac{3}{5}$

$\frac{3}{4}$

$\frac{5}{3}$

cosθ=

7.7/8.5

3.6/8.5

7.7/3.6

以上皆不是

10.

求θ的值。

54.0°

36.0°

39.0°

51.0°

100 %

2021_F2_Maths_CH11_餘弦比

Total questions: 10

Worksheet time: 10mins

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