求不定积分,∫xtanx^2dx

求不定积分,∫xtanx^2dx 求不定积分∫xtanx的平方dx 求不定积分∫xtanx(sec^2)xdx! 求Xtanx的不定积分, 求不定积分 xtanxdx 答案是xtanx. 求 xtanx(secx)^4的不定积分 求不定积分∫lnx/x^2 dx 求不定积分：∫sin(x^2)dx 求不定积分∫sin(x/2)dx 求不定积分∫xe^(x^2)dx? 求∫ln x/2 dx不定积分 求不定积分：∫cos x^2 dx ∫[(sin^2)x]dx求不定积分 求不定积分 ∫ tan^2 x dx ∫arctanx/(x^2)dx求不定积分 求不定积分∫(tan^2)x dx 求不定积分∫cos2x/(sinx)^2 dx 求不定积分∫xcos(x^2)dx