摘要:$$\Large\displaystyle \int_0^{\pi/2}\ln^2(\sin x)\ln(\cos x)\tan x \,{\rm d}x$$ $\Large\mathbf{Solution:}$ Let $J$ donates the integral and it is easy 阅读全文
posted @ 2016-05-13 10:58 Renascence_5 阅读(298) 评论(0) 推荐(0) 编辑
摘要:$$\Large\displaystyle \int_{0}^{\frac{\pi }{2}}x^{2}\ln\left ( \sin x \right )\ln\left ( \cos x \right )\mathrm{d}x$$ $\Large\mathbf{Solution:}$ Tools 阅读全文
posted @ 2016-05-13 10:48 Renascence_5 阅读(329) 评论(0) 推荐(0) 编辑
摘要:链接:http://pan.baidu.com/s/1eSNkz4Y window._bd_share_config={"common":{"bdSnsKey":{},"bdText":"","bdMini":"2","bdMiniList":false,"bdPic":"","bdStyle":" 阅读全文
posted @ 2016-05-13 10:21 Renascence_5 阅读(243) 评论(0) 推荐(0) 编辑