For the curve given by

$r(t)=($:$sin(t)-tcos(t),cos(t)+tsin(t),4t^2+2$:$)$

Find the unit tangent

$T(t)=($:$tsin(t),tcos(t),\frac{8t}{\sqrt[\phantom{2}]{65t^2}}$:$)$

Find the unit normal

$\frac{cos(t)}{\sqrt[\phantom{2}]{65}}$

$$

Find the curvature

$(t)=$

$$