given d/dx(cos^(-1)x)=-1/√(1-x^2)
更新1:
答案唔係=-2[√(1-x)cos⁻¹x+2√(1+x)]+C bo 答案係:[-2((2√(1-x^2)-xcos^-1(x)+cos^-1(x))]/√1-x +C 我係唔明點得出e個答案@@
答案唔係=-2[√(1-x)cos⁻¹x+2√(1+x)]+C bo 答案係:[-2((2√(1-x^2)-xcos^-1(x)+cos^-1(x))]/√1-x +C 我係唔明點得出e個答案@@
收錄日期: 2021-04-28 23:30:57
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120719000051KK00605