F.2 Maths Questions

[匿名]

2008-12-26 2:04 am

1. If sin θ=0.43, thenθ=?

2. If cos(θ+10°) =0.577, thenθ=?

更新1:

我想問你用計數機按鍵的方法,因為老師未教就比份卷我答?

回答 (3)

用戶7639

2008-12-26 4:31 am

✔ 最佳答案

As follow AS~~~

圖片參考：http://e.imagehost.org/0978/ScreenHunter_04_Dec_25_20_30.gif

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[匿名]

2008-12-26 4:39 am

Thank you so much!

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Harrison

2008-12-26 2:43 am

1.
θ=25.5
2
θ+10=54.7
θ=44.7

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收錄日期: 2021-04-19 13:15:42
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