∫(上限π/2,下限0)(∫(上限π/2 ,下限x)siny/2 dy)dx
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
关键步骤:区域D:{(x,y)|0