∫dx/[cos^2(2x+兀/4)]

∫dx/[cos^2(2x+兀/4)] cos(x^2)dx ∫x*(cos^2x)dx ∫x／[(cos^2)x]dx ∫sin(x) cos^2(x)dx ∫dx/cos^2X+4sin^2X 求微积分 ∫sin^2(x)cos^4(x) dx ∫[1/(sin^2(x)cos^4(x)]dx 求解∫1/(cos^4(x)sin^2(x))dx 计算∫π/4~0 x/cos^2x dx ∫cos^2(x/2)dx 求∫2/(2+cos x)dx 求:∫cos^2(2x)dx ∫(1-cos^(2)2x)dx ∫(2/cos^2x)dx= ∫xsinx/cos^2x dx ∫cos(x+2)dx=多少 ∫(1+sinx) / cos^2 x dx