why must we use sinx, tanx and secx when solving indefinite integration using
trigonometric substitution technique?
thanks
trigonometric substitution
2011-08-18 4:35 am
回答 (1)
2011-09-01 4:46 am
✔ 最佳答案
no, its wrong that you MUST use sin, tan,sec. you can also use cos,cot,csc...which one is the most convenient, you use that one.
參考: Hope I can help you! ^_^ (From me)
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