# calc

posted by
**Ang**
.

eliminate parameter t when

x= ln(sqrt(1+t^2)+t) and y = sqrt(t^2+1

so to produce an equation y=f(x).

posted by
**Ang**
.

eliminate parameter t when

x= ln(sqrt(1+t^2)+t) and y = sqrt(t^2+1

so to produce an equation y=f(x).