tan^2(2x - 3)dx

tan^2(2x - 3)dx 求助∫d/dx[X^tan(x^2)]dx 和 ∫dx/(2+3X^2) 求∫x*tan^2x dx ∫ ( tan^2 x + tan^4 x )dx 求不定积分∫(tan^2x+tan^4x)dx 不定积分(tan^2x+tan^4x)dx ∫(1+tan^2x)dx/(1+tanx)^3 求不定积分 ∫ tan^2 x dx 求不定积分∫(tan^2)x dx ∫ tan(2x-5)dx= ∫tan^3x dx 求不定积分∫(tan^2+2)dx∫(tan^2x+2)dx 两道不定积分的题(1)∫(1-tan x)/(1+tan x)dx(2)∫1/[5(cos x)^2+3(sin x)^2]dx 求∫1／tan^2x+sin^2x dx ∫sec^2 x / √ tan x +1 dx ∫e^x*tan(x-1)^2dx ∫sec^4x dx ∫sec^2x tan^2x dx ∫[tan(3x+1)/cos^2(3x+1)]dx如何计算,