∫(sinx)/(cos∧2 x)dx怎么解?

∫(1+sinx) / cos^2 x dx ∫(sinx)/(cos∧2 x)dx怎么解? ∫(√sinx)cos∧5(x)dx 求不定积分∫(1+sinx) / cos^2 x dx 求不定积分∫(cos x)^2 /sinx dx ∫sinx/(1+cos^2x)dx不定积分 ∫（sinx/cos立方x)dx ∫(sinx/cos^3x)dx 求∫sinx/√（4-cos∧2x）dx ∫(0,π/2)cos(sinx)dx ∫sinx^2cos^3dx ∫(sinx-x^2)dx ∫x/(sinx)^2dx ∫ x/(sinx)^2dx 这个怎恶魔算∫cos x / ( 1 + (sinx)^2 ) dx = ∫x^3 / ( 1 + x^4 ) dx = ∫(sec x)^3 * tan x dx = ∫x^2 * e^(-2x) dx = ∫x * cos 2x dx = ∫(cos 2x)^2 dx = ∫(13x - 6) / ( x (x-2)(x+3) )dx = ∫(x^2 + 2x - 2) / ((x-2)(x+1)) dx = 求不定积分 1.∫ x/(1+（x^2))dx 2.∫cos^2 x sinx dx 1.∫ x/(1+（x^2))dx 2.∫cos^2 x sinx dx 不定积分∫sinx/cos³x dx,哪一个错了? 求∫sinxcosx/(sinx^4+cos⁡x^4 )dx