∫1/(x(ln(x)ln(ln(x)))dx

∫sin(1/x)/x^2dx

∫(sec x)^2/((tan x)^2-3tanx+2)dx

∫(x^3+x^(-3))/(x+x^(-1))dx

∫(ln(ln x))+1/(ln x)dx

∫1/(2+3/(4+5/x))dx

∫(3x+4)/(x^2+4x+3)dx

∫e^x(tan(x)+(tan x)^2-x)dx

∫(tan(2x-1))^2dx

∫1/(√5-cos(x))dx

∫(4+sin(2x))/(4+x^2)dx

∫|x-777999777|dx

∫x/√(1-x^4)dx

∫e^(1/x)/x^2dx

∫tan(x)/(1+(tan x)^2)dx

∫(x√x-7)/xdx

∫(cos x)^3/sqrt(1+sin(x))dx

∫x/(cos 3x)^2dx

∫x(x^2+5)^(3/4)dx

∫x/csc(5x^2)dx