Solve x for the equation: ( 2 + tan x ) cos^2 x = tan x. 0 < x < 90 degree.
Trig. Equation
2009-06-12 6:16 am
回答 (1)
2009-06-12 6:29 am
✔ 最佳答案
As follows:圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/08-10.gif
2009-06-12 02:40:03 補充：
那題我應該將題目簡化左再微分...謝謝你的提點!
收錄日期: 2021-04-22 00:39:44
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