Spur von γ(t) in D10.1 (a)

http://www.wolframalpha.com/input/?i=parametric+plot+%7Bt-sin(t),+1-cos(t)%7D+from+-2pi+to+2pi

Spur von  γ'(t) in D10.1 (b)

http://www.wolframalpha.com/input/?i=parametric+plot+%7B1-cos(t),+sin(t)%7D

Graph von κ(t) in D10.1 (d)

http://www.wolframalpha.com/input/?i=plot+-1%2F(sqrt(8)*sqrt(1-cos(t)))
