<prompt> BainishaFxint_sin xcos x eleftt2x tright d t .Kokotoa Fprime0.  <response>: HebuGu, v, xint_vu et2x t d t .Kisha FxGcos x, sin x, x, hivyoanzailiyopangwaFprimex fracpartial Gpartial u fracpartial upartial xfracpartial Gpartial v frac sehemu vsehemu xfracpartial Gpartial x neu2x u-sin x-eleft v2x vkulia cos xint_vu t et2x t d tmwishoiliyopangwanaFprime0-1int_01 t et2 d tfrac12e-3 . 