Bin_t =
 
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(-2*pi/tf^3*t^3+3*pi/tf^2*t^2)+sin(3945414710228947/4503599627370496)*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))-3/500*61^(1/2)*cos(3945414710228947/4503599627370496)+3/250*cos(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))-(-3/500*61^(1/2)*sin(3945414710228947/4503599627370496)+3/250*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2)-((3/500*61^(1/2)*sin(3945414710228947/4503599627370496)-3/250*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))^2-(13/500-1/625*61^(1/2)*(cos(3945414710228947/4503599627370496)*cos(-2*pi/tf^3*t^3+3*pi/tf^2*t^2)+sin(3945414710228947/4503599627370496)*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2)))^2+(3/500*61^(1/2)*cos(3945414710228947/4503599627370496)-3/250*cos(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))^2)^(1/2))/(13/500-1/625*61^(1/2)*(cos(3945414710228947/4503599627370496)*cos(-2*pi/tf^3*t^3+3*pi/tf^2*t^2)+sin(3945414710228947/4503599627370496)*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))-3/500*61^(1/2)*cos(3945414710228947/4503599627370496)+3/250*cos(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))^2*(-1/625*61^(1/2)*(-cos(3945414710228947/4503599627370496)*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2)+sin(3945414710228947/4503599627370496)*cos(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))-3/250*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2)))/(1+(-3/500*61^(1/2)*sin(3945414710228947/4503599627370496)+3/250*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2)-((3/500*61^(1/2)*sin(3945414710228947/4503599627370496)-3/250*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))^2-(13/500-1/625*61^(1/2)*(cos(3945414710228947/4503599627370496)*cos(-2*pi/tf^3*t^3+3*pi/tf^2*t^2)+sin(3945414710228947/4503599627370496)*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2)))^2+(3/500*61^(1/2)*cos(3945414710228947/4503599627370496)-3/250*cos(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))^2)^(1/2))^2/(13/500-1/625*61^(1/2)*(cos(3945414710228947/4503599627370496)*cos(-2*pi/tf^3*t^3+3*pi/tf^2*t^2)+sin(3945414710228947/4503599627370496)*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))-3/500*61^(1/2)*cos(3945414710228947/4503599627370496)+3/250*cos(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))^2)+1/25*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2)))/(1+(1/50*61^(1/2)*sin(3945414710228947/4503599627370496)+3/20*sin(2*atan((-3/500*61^(1/2)*sin(3945414710228947/4503599627370496)+3/250*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2)-((3/500*61^(1/2)*sin(3945414710228947/4503599627370496)-3/250*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))^2-(13/500-1/625*61^(1/2)*(cos(3945414710228947/4503599627370496)*cos(-2*pi/tf^3*t^3+3*pi/tf^2*t^2)+sin(3945414710228947/4503599627370496)*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2)))^2+(3/500*61^(1/2)*cos(3945414710228947/4503599627370496)-3/250*cos(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))^2)^(1/2))/(13/500-1/625*61^(1/2)*(cos(3945414710228947/4503599627370496)*cos(-2*pi/tf^3*t^3+3*pi/tf^2*t^2)+sin(3945414710228947/4503599627370496)*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))-3/500*61^(1/2)*cos(3945414710228947/4503599627370496)+3/250*cos(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))))-1/25*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))^2/(1/50*61^(1/2)*cos(3945414710228947/4503599627370496)+3/20*cos(2*atan((-3/500*61^(1/2)*sin(3945414710228947/4503599627370496)+3/250*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2)-((3/500*61^(1/2)*sin(3945414710228947/4503599627370496)-3/250*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))^2-(13/500-1/625*61^(1/2)*(cos(3945414710228947/4503599627370496)*cos(-2*pi/tf^3*t^3+3*pi/tf^2*t^2)+sin(3945414710228947/4503599627370496)*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2)))^2+(3/500*61^(1/2)*cos(3945414710228947/4503599627370496)-3/250*cos(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))^2)^(1/2))/(13/500-1/625*61^(1/2)*(cos(3945414710228947/4503599627370496)*cos(-2*pi/tf^3*t^3+3*pi/tf^2*t^2)+sin(3945414710228947/4503599627370496)*sin(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))-3/500*61^(1/2)*cos(3945414710228947/4503599627370496)+3/250*cos(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))))-1/25*cos(-2*pi/tf^3*t^3+3*pi/tf^2*t^2))^2)
 
» t=0

t =

     0

» subs(Bin_t)

ans =

   -8.8290

» t=1

t =

     1

» subs(Bin_t)

ans =

    8.2148