∫(上限π/2,下限0)(∫(上限π/2 ,下限x)siny/2 dy)dx错了哦应该是 ∫(上限π/2,下限0)(∫(上限π/2 ,下限x)siny/y dy)dx

分类: 作业答案 • 2022-05-23 10:46:58

问题描述：

∫(上限π/2,下限0)(∫(上限π/2 ,下限x)siny/2 dy)dx
错了哦应该是 ∫(上限π/2,下限0)(∫(上限π/2 ,下限x)siny/y dy)dx

答

关键步骤：区域D:{(x,y)|0

∫(上限π/2,下限0)(∫(上限π/2 ,下限x)siny/2 dy)dx错了哦 应该是 ∫(上限π/2,下限0)(∫(上限π/2 ,下限x)siny/y dy)dx