Math about cosQ

👨🏻‍🏫 學術台數學

2008-02-29 7:50 am

prove

tanQ* (1-sinQ)/(1+cosQ)=(1/tanQ)*(1-cosQ)/(1+sinQ)

thx a lot

回答 (1)

2008-02-29 8:08 am

✔ 最佳答案

Please refer to the following solution:

圖片參考：http://hk.geocities.com/stevieg_1023/tanQ.gif

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