The function is
and the point is
.
Find the vectors
and
.
The frenet serret formulas are
and
.
Consider
.



.
Substitute
and
in
.

Substitute
.

.
Consider
.
For
, 







.
Substitute
and
in
.

.

Find the value of
.
Since
.
For
, 
Substitute
and
in
.

.
,
and
.