Find the Curvature of the Space Curve $\kappa = \sin t$

Multiple Choice

Find the curvature of the space curve.
-r(t) = (t + 4) i + 9j + (ln(sec t) + 3) k

A) $\kappa = \sin t$
B) $\kappa = \csc t$
C) $\kappa = \cos t$
D) $\kappa = \sec t$