求不定积分(1/sin^2xcos^2x)dx

求不定积分(1/sin^2xcos^2x)dx 求不定积分,∫sin^2xcos^2x dx sin^2xcos^2x不定积分 sin^2xcos^3x的不定积分, 求不定积分1/sin^4xcos^2xdx 求不定积分∫xcos(x^2)dx 求不定积分cos2x/sin^xcos^x 求不定积分∫sin^2*xcos^5*xdx 求∫1/sin^2xcos^2x dx sin^2xcos^2x/(cos^3x+sin^3x)^2dx的不定积分 求不定积分：∫xcos(4x^2 +5)dx 求下列不定积分 ∫(xcos x)/sin³xdx ∫1/(sin^2xcos^2x) 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(3)1/ sin^x/2 cos^x/2 dx 1/(sin^4xcos^4x)的不定积分 不定积分∫XCOS(5X^2+1)DX怎么求?万谢! 谁知道不定积分∫XCOS(5X^2+1)DX怎么求啊 不定积分∫XCOS(5X^2+1)DX怎么求?万谢!