sin^2xcos^3x的不定积分,

求不定积分(1/sin^2xcos^2x)dx 求不定积分,∫sin^2xcos^2x dx 3道不定积分数学题求下列不定积分(1)cos2t／cost –sint dt(2)cos2x／sin＾xcos^x dx e^sin x（xcos x-（sin x/cos²x））的不定积分怎么算 求e^sinx(xcos^3x-sinx)/cos^2x的不定积分 ∫ln(tanx)/sin xcos x dx. 不定积分的详细步骤过程和答案,拜托大神. 求不定积分∫xcos(x^2)dx (x^3-x+1)sin^2x的不定积分 不定积分∫(sin2x)/(sin²x)dx ∫sin³xcos²xdx (1-(sin^4x-sin^2xcos^2x+cos^4x)/sin^2x +3sin^2x sinx*( cos x)^3/(1+sin^2x)的不定积分 sin^2x/cos^3x的不定积分