Integrate ∫dx/(4-5sinx)
[By trigonometrical or hyperbolic substitution]
Hint:
Let t=tan(x/2),
Then sinx=2t/(1+t²), cosx=(1-t²)/(1+t²)
1 integration Q
2011-10-18 5:43 am
回答 (1)
2011-10-18 6:43 am
收錄日期: 2021-04-13 18:18:27
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https://hk.answers.yahoo.com/question/index?qid=20111017000051KK00910