Math(function)

👨🏻‍🏫 學術台數學

[匿名]

2013-09-19 4:10 am

Given that f ( sin(x/2) ) = cos x +1. Find f ( cos(x/2) ).

回答 (2)

用戶27207

2013-09-19 4:29 am

✔ 最佳答案

圖片參考：http://i1099.photobucket.com/albums/g395/jasoncube/672A547D540D_zpsd7fced58.png

http://i1099.photobucket.com/albums/g395/jasoncube/672A547D540D_zpsd7fced58.png

2013-09-19 17:01:09 補充：
Great idea ~

參考: My Maths World

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知足常樂

2013-09-19 4:57 am

✡ HYPERCUBE ✡

可以答

2 sin² (x/2)

= 1 - cos x

=^o^=

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收錄日期: 2021-04-13 19:43:17
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