Identifying the inverse

Plot the following graphs:

(a) y(t)=10^(log(t)), for 0.1<=t<5.01

(b) y(t)=sin(arcsin(t)) for -1<=t<1.01

(c) y(t)=tan(arctan(t)) for -10<=t<10.01

(d) y(t)=(1/(1/t)) for 0.1<=t<10.01

What do all these graphs have in common and why?

---

#inverse #identity

---