SIMPLIFY EACH OF THE FOLLOWING.
COS^3θ-COSθ+SIN^2θCOSθ
點做
吾該比晒d step黎
mATH F3
2010-06-02 5:46 am
回答 (1)
2010-06-02 6:08 am
✔ 最佳答案
Please see the following:圖片參考：http://img248.imageshack.us/img248/8691/52647970.png
2010-06-01 22:08:49 補充：
http://img248.imageshack.us/img248/8691/52647970.png
2010-06-02 06:52:30 補充：
correction, the second last line is -sin^2θ cosθ + sin^2θ cos θ
收錄日期: 2021-04-23 23:21:57
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100601000051KK01461