Prove the indentity ((cosx)^2-sinxcosx+tanx)/((cosx)^2+sinxcosx-tanx)=
(1+(tanx^3))/(1-(tanx)^3)
A.MATH
2008-12-13 8:27 pm
回答 (1)
2008-12-13 8:58 pm
✔ 最佳答案
Explanation as follows:圖片參考：http://i238.photobucket.com/albums/ff245/chocolate328154/Maths570.jpg?t=1229144272
參考: My Maths Knowledge
收錄日期: 2021-04-13 16:18:11
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