lst:=[[sin(x)*sin(2*x)*sin(3*x),x],
[sin(2*x)^3*cos(x),x],
[(x+1)^2*(x-1)^(1/3),x],
[x*ln(1+1/x),x],
[sin(ln(x))^2,x],
[1/(1+3*exp(x)),x],
[1/sin(x)^3/cos(x)^5,x],
[1/x/(x^4-1)^(1/2),x],
[1/x/(x^5+1),x],
[tan(x)^(1/2),x],
[ln(x+1)/(x^2+1),x],
[x^(1/2)/(x^(1/2)-x^(1/3)),x],
[x^x*(1+ln(x)),x],
[x^(13/2)*(1+x^(5/2))^(1/2),x],
[1/(x^2+1)^2,x],
[1/(x^4-13*x^2+36),x],
[ln(ln(x))/x,x],
[(1+cot(x))/(1-cot(x)),x],
[(cos(x)+x*sin(x))/x/(x+cos(x)),x],
[1/(sin(x)+sec(x)),x],
[1/(1+exp(x)+exp(2*x))^(1/2),x],
[x^3*exp(x^2),x],
[1/ln(x)-1/ln(x)^2,x],
[(x-1)^(1/2)*(2-x)^(1/2),x],
[(x^6-1)/(x^4+x^3-x-1),x],
[2*ln(x)+ln(x)^2,x],
[2*x/(-x^4+1)^(1/2),x],
[(x^2+1)/(x+1),x],
[(sin(x)^3+sin(x)^2-2*sin(x)-2)/(1+sin(x)^2+2*sin(x)),x],
[1/sinh(x)^2,x],
[sec(x)^4*tan(x)^2,x],
[(csc(x)-sin(x))^(1/2),x],
[cos(x)^6,x],
[1/(x^4+2*x^2+1),x],
[cos(ln(x)),x],
[1/cos(x),x],
[1/(9*cos(x)^2+4*sin(x)^2),x],
[1/x^2/(x^4+1)^(3/4),x],
[cos(x)*cos(3*x)*cos(5*x),x],
[1/ln(x)+ln(ln(x)),x],
[1/(2+exp(x)),x],
[(x/(-x^3+1))^(1/2),x],
[4*x/(-x^4+1),x],
[x^x*(1+ln(x)),x],
[(-x^2+6*x)^(1/2),x],
[sin(101*x)*sin(x)^99,x],
[x*exp(exp(x^2)),x],
[(x^3-3*x^2+3*x-1)/(x^4+4*x^3+6*x^2+4*x+1),x],
[((1-x)/(x+1))^(1/2),x],
[1/(x^(1/2)-1),x],
[x^(1/4)*ln(x),x],
[1/(1+x^(1/2))/(-x^2+x)^(1/2),x],
[1/x^(1/2)/(x^(1/4)+1)^10,x],
[(-x^2+1)^(1/2),x],
[1/(-x^2-4*x+1)^(1/2),x],
[ln(1/x),x],
[1/(1+sin(x)),x],
[x^(1/2)/((2012-x)^(1/2)+x^(1/2)),x],
[(x-1)/(x+1)/(x^3+x^2+x)^(1/2),x],
[(x^4+4*x^3+6*x^2+4*x+1)/(x^3-3*x^2+3*x-1),x],
[cos(x)*ln(x)+sin(x)/x,x],
[1/(x^3-x),x],
[x*arcsin(x)/(-x^2+1)^(1/2),x],
[x*(1-x)^99,x],
[sin(4*x)/sin(x),x],
[1/x^(1/2)/(1+x^(1/3)),x],
[1/(2*x^2-1)^(1/2),x],
[1/(exp(x)-1)^(1/2),x],
[x/(x^4+4),x],
[2/(cos(x)-sin(x))^2,x],
[x*cosh(x)/sinh(x)^2,x],
[x^5*(x^3+1)^(1/2),x],
[(x^7-1)/ln(x),x],
[(csc(x)-sin(x))^(1/2),x],
[ln(x^2)-2*ln(2*x),x],
[exp(x),x],
[(cos(x)*ln(x)-sin(x)/x)/ln(x)^2,x],
[x^3-3*x^2+3*x-1,x],
[(-3*x^2+12)^(1/2),x],
[x+(-3+x)^7+sin(-3+x),x],
[sin(x)*(1+tan(x)^2)^(1/2),x],
[(x^5-x^3+x^2-1)/(x^4-x^3+x-1),x],
[ln(x),x],
[1/(1-exp(-x)),x],
[sin(x)^2*cos(x)^2,x],
[Pi*sin(Pi*x^(1/2))/x^(1/2),x],
[tan(x)^2,x],
[exp(x^(1/4)),x],
[cos(x)*cot(x),x],
[2*ln(x)+ln(x)^2,x],
[x^3/(x^2+1),x],
[1/(x^2-2*x+2),x],
[sin(x)*ln(sin(x)),x],
[x/(-x^4+1),x],
[(-3*x^2+12)^(1/2),x],
[sec(x)^5*tan(x)^3,x],
[1/(1-sin(x)),x],
[1/x/(x^2-2)^(1/2),x],
[ln(x^2),x],
[sin(x^(1/3)),x],
[exp(-x^2+x+1)*(1-2*x),x],
[x^(1/2)*exp(x^(1/2)),x],
[sin(2*x)*cos(3*x),x],
[1+2*sin(x),x],
[x*(1-x)^2014,x],
[arcsinh(x),x],
[x^2/(x-1),x],
[x*arctan(x),x],
[1/(x^2-15*x-2014),x],
[exp(x)*(ln(x^2+1)-2*(x+1)*arctan(x)),x],
[arcsin(x)^2,x],
[(x^2-1)^(1/2)/x,x],
[x*sec(4*x)^2,x],
[2/(-x^3+6*x^2-11*x+6),x],
[1/(1-ln(1-x)),x],
[(x+(x^2+1)^(1/2))^(1/2),x],
[1/(2+cos(x)),x],
[cos(x)^4-sin(x)^4,x],
[x/(2+4*x)^(1/2),x],
[cos(x^(1/2))/x^(1/2),x],
[sec(x),x],
[exp(sin(x))/tan(x)/csc(x),x],
[x*ln(x)^2,x],
[1/(5+4*x^(1/2)+x),x],
[2015^x,x],
[x/(-3+x)/(x+5)^2,x],
[ln(1+ln(x))/x,x],
[(csc(x)-sin(x))^(1/2),x],
[1/(x^2+25)^(1/2),x],
[(ln(x)^2-1)/x/ln(x)^2,x],
[exp(3*x)*arctan(exp(x)),x],
[1/(sin(x)^4+cos(x)^4),x],
[(1+exp(x))/(1-exp(x)),x],
[tan(x)^4,x],
[sin(x)*tan(x)^2,x],
[(x+1)/(x^2+2*x+3),x],
[tanh(x),x],
[x^3-x,x],
[1/2*ln(x),x],
[exp(exp(x)+exp(-x)+x)-exp(exp(x)+exp(-x)-x),x],
[ln(ln(x))/x/ln(x),x],
[1/(1+tan(x)^2),x],
[arcsin(1/3*x^(1/3)),x],
[ln(x),x],
[exp(x)*(cos(x)-sin(x)),x],
[x^3*exp(-x^2),x],
[(1+2*x*exp(x^2))*cos(x)-(x+exp(x^2))*sin(x),x],
[(1+x^(1/2)+x^(1/3))*(1+1/x^(1/2)+1/x^(1/3)),x],
[sin(sin(x))*cos(sin(x))*cos(x),x],
[(cos(x)+sin(x))/x^2+(sin(x)-cos(x))/x,x],
[x^3*(x^2+1)^(1/2),x],
[x/(x^4+x^2+1),x],
[exp(exp(2016*x)+6048*x),x],
[1-cos(x)/sin(x),x],
[1/(-x^3+x^2-x+1),x],
[1/(2+cosh(x)),x],
[x^2/(x^3+2)^(1/2),x],
[ln(x)/x^2,x],
[sech(x),x],
[x^3*exp(x^2),x],
[1/x/(x^2-1)^(1/2),x],
[1/x/(x^2+1),x],
[arccosh(x),x],
[exp(-2*x^2-5*x-3),x],
[sin(x^(1/2)),x],
[1/(x+1/x)^2,x],
[(2+x)*exp(-x)/x^3,x],
[1/(x*(1-x))^(1/2),x],
[tanh(x)/exp(x),x],
[(1+sin(x))^(1/2),x],
[1/(1+x^(1/2)),x],
[sin(x+1/4*Pi)^2/exp(x^2),x],
[3*x^2*(x^3+1)^2*exp(-x^6-2*x^3),x],
[exp(2*x)*cos(3*x),x],
[cos(x)^(1+cos(x))*tan(x)*(1+ln(cos(x))),x],
[exp(x)/(2+exp(x)),x],
[sin(2018*x),x],
[1/(tan(x)+cot(x)),x],
[x^5/(x^12+2),x],
[cos(x)*cosh(x)+sin(x)*sinh(x),x],
[(exp(x)+cos(x))/(exp(x)+sin(x)),x],
[sin(cos(sin(x)))*sin(sin(x))*cos(x),x],
[1/(1+sin(x)),x],
[cos(x)/(1-cos(2*x)),x],
[exp(x)*(1/x+ln(x)),x],
[tanh(x)^2,x],
[(sin(2*x)-sin(x)^2)/(cos(2*x)-cos(x)^2),x],
[1/(x^(41/25)+x^(9/25)),x],
[cos(x)/(2-cos(x)^2),x],
[1/(x^2+1)^(3/2),x],
[1/(x^(3/2)-x^2)^(1/2),x],
[(x-1)/(x+x^2*ln(x)),x],
[csc(x)*sec(x),x],
[tan(cos(x)),x],
[(x+1)/x/(x+ln(x)),x],
[exp(x+exp(x))+exp(x-exp(x)),x],
[1/(-x^2+1),x],
[2^ln(x),x],
[cos(3*x)+sin(2*x)*(-sin(2019*x)+cos(3*x)),x],
[cos(x)*cos(sin(x))*cos(sin(sin(x))),x],
[exp(-2019/4/x^2)/x^2,x],
[sin(x^(1/2)),x],
[x^(1/2)/(x+1),x],
[cos(x)*cos(2*x)*cos(3*x),x],
[exp(-x^(2*n)),x],
[x^(1/ln(x)),x],
[(sin(20*x)+sin(19*x))/(cos(20*x)+cos(19*x)),x],
[exp(x)*(cos(x)^2+cos(x)*sin(x)-sin(x)^2),x],
[sin(x)/sin(x+1/4*Pi),x],
[1/(x+x^(1/3)),x],
[x^(x^2+1)*(1+2*ln(x)),x],
[(2*x^3-1)/x/(x^3+1),x],
[1/(x^2+1)^(1/2),x],
[ln(2*x)/x/ln(x),x],
[1/(1+exp(x)),x],
[ln(x)*ln(ln(x))/x,x],
[ln((x+1)/(1-x)),x],
[1/(x^2+(x-1)^2),x],
[(x*(x^(3/2))^(1/2))^(1/2),x],
[sin(x)^4*cos(x)^4*(cos(x)+sin(x))*(cos(x)-sin(x)),x],
[ln(x^2+1),x],
[(2*x+1)/(2*x^2+2*x+1),x],
[arcsin(x)/x^3,x],
[sin(2*x)*cos(cos(x)),x],
[-sin(x-sin(x)),x],
[1/(tan(x)^(2*505^(1/2))+1),x],
[x*(1-x)^2020,x],
[sec(x)^4*tan(x)/(sec(x)^4+4),x],
[x^(2*x)*(2*ln(x)+2),x],
[(-x^2+1)^(1/2),x],
[x^5*exp(-x^4),x],
[(1+cos(x))/(x+sin(x)),x],
[(arctan(x)+arccot(x))/x,x],
[sinh(x)/(cosh(x)-sinh(x)),x],
[x/((x-1)^(1/2)+(x+1)^(1/2)),x],
[cos(x+cos(x)),x],
[x^3*sin(x^2),x],
[x/(-x^4+1),x],
[1/cosh(x)^2,x],
[exp(exp(x))-exp(exp(x)-x),x],
[(1-x^(1/2))^(1/2),x],
[x^3/(1+x+1/2*x^2+1/6*x^3),x],
[sin(x+sin(x))-sin(x-sin(x)),x],
[tan(x)^4*sec(x)^3+tan(x)^2*sec(x)^5,x],
[(1+ln(x))*ln(ln(x)),x],
[1/(1+sin(x))+1/(1+cos(x))+1/(1+tan(x))+1/(1+cot(x))+1/(1+sec(x))+1/(1+csc(x)),x],
[1/(-x^2+x)^(1/2),x],
[1/(1+cos(x)^2),x],
[ln(x+1)/x^2,x],
[(1-(-1/2*Pi+arcsin(sin(x)))^2)^(1/2),x],
[(x-2)*(x-1)*x*(x+1)*(2+x),x],
[(3*x^3+2*x^2+1)/(x^3+1)^(1/3),x],
[1/sin(x)^4/cos(x)^4,x],
[(x+sin(x))/(1+cos(x)),x],
[sinh(x)^3*cosh(x)^2,x],
[4^x*3^(2^x),x],
[(cos(x)-sin(x))/(2+sin(2*x)),x],
[(sec(1+ln(x))^2-tan(1+ln(x)))/x^2,x],
[(1/x*ln(1/x))^(1/2),x],
[(1-cos(x))^5*cos(5*x),x],
[(4*sin(x)+3*cos(x))/(3*sin(x)+4*cos(x)),x],
[(4-(x+1)^2)^(1/2)-3^(1/2)-(-x^2+4)^(1/2),x],
[x^2*sin(ln(x)),x],
[exp(-x)*(x^7-12*x^6+36*x^5),x],
[arcsin(x)*arccos(x),x],
[(-x^4+4*x^3-7*x^2+6*x+1)^n,x],
[x^4/(1-x)^(1/2),x],
[sin(1/(x^n)),x],
[-1/2*x+1/2*(-3*x^2+4)^(1/2),x],
[(x^4-3*x^2+1)^n,x],
[x*(exp(-x)+1)/(exp(x)-1),x],
[x^4*exp(-x)*sin(x),x],
[((x^3-3*x)^3-3*x^3+9*x)/(x^2-4)^(1/2),x],
[1/(x^2+1)^3,x],
[ln(3^(1/2)+tan(x)),x],
[((sin(20*x)+3*sin(21*x)+sin(22*x))^2+(cos(20*x)+3*cos(21*x)+cos(22*x))^2)^(1/2),x],
[exp(-2*x)*sin(3*x)/x,x],
[x^(1/3)*(1-x)^(2/3),x],
[x^(1/ln(x)),x],
[sech(x),x],
[exp(x)/(1+exp(x))/ln(1+exp(x)),x],
[(x^4+x^3+x^2+x+1)*(x^4-x^3+x^2-x+1),x],
[1/120*(-4+x)*(-3+x)*(x-2)*(x-1)*x,x],
[x+sin(x)+x*cos(x)+cos(x)*sin(x),x],
[sin(x)^2+cos(x)^2+tan(x)^2+cot(x)^2+sec(x)^2+csc(x)^2,x],
[(1+2*ln(x))*exp(ln(x)^2),x],
[(1-x)^3+(-x^2+x)^3+(x^2-1)^3-3*(1-x)*(-x^2+x)*(x^2-1),x],
[sin(x)^6+cos(x)^6+3*sin(x)^2*cos(x)^2,x],
[(x+exp(1)+1)*x^exp(1)*exp(x),x],
[x^2/(-x^2+2)+2^(1/2)*(x/(x+1))^(1/2),x],
[(2*x^2022+1)/(x^2023+x),x],
[3*sin(20*x)*cos(23*x)+20*sin(43*x),x],
[sin(x)/(2*exp(x)+cos(x)+sin(x)),x],
[ln(x/Pi)/(ln(x)^ln(Pi*exp(1))),x],
[x^5+5*x^4+10*x^3+8*x^2+x,x],
[(x+1)/(2+x)/(x+3)*(4+x),x],
[x*cot(x),x],
[exp(x+1/x)*(x^6+x^4-x^2-1)/x^4,x],
[1/((x+1)^3*(x-1))^(1/2),x],
[x*sin(x)^4,x],
[sin(2*x)*cos(3*x)/sin(x)^2/cos(x)^3,x],
[2^(1/2)*ln(x)^(1/2)+1/2*2^(1/2)/ln(x)^(1/2),x],
[ln(cos(x))/cos(x)^2,x],
[(1/(x-1)^2+3/(-3+x)^4+5/(x-5)^6)/(1+1/(x-1)+1/(-3+x)^3+1/(x-5)^5)^2,x],
[sin(23*x)/sin(x),x],
[x^4*(1-x)^2/(x^2+1),x],
[x^(-ln(x)),x],
[(1-2*x)/(x+1)^2/x^(2/3),x],
[cos(1/2*Pi*x^2*2^(1/2))^2,x],
[1/(1+cos(x)+sin(x)),x],
[tan(x)^5,x],
[(1+1/x)^(1/2),x],
[exp(cos(x))*cos(2*x+sin(x)),x],
[(3*ln(x)-1+2*x)/(x*ln(x)+x^2+2*x^4),x],
[((x+1)^(1/2)-x^(1/2))^Pi,x],
[(((x^2-2)^2-2)^2-2)^2-2,x],
[sin(4*arctan(x)),x],
[tan(x)^(1/3)/(cos(x)+sin(x))^2,x],
[sin(2*x)^2*sin(3*x)^2*sin(5*x)^2*sin(30*x)^2/sin(x)^2/sin(6*x)^2/sin(10*x)^2/sin(15*x)^2,x],
[(1+x^2+(x^4+x^2+1)^(1/2))^(1/2),x],
[x^9/(x^20-48*x^10+575),x]]
