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





.
Substitute
and
in
.
The value of
at the point
.
Substitute
.


.
Consider
.




.



.

For
,
.
Substitute
and
in
.

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

.
,
and
.