Find the Slope of the Polar Curve at the Indicated $$\mathrm { r } = 5 \sin 4 \theta , \theta = 0$$

Multiple Choice

Find the slope of the polar curve at the indicated point.
- $$\mathrm { r } = 5 \sin 4 \theta , \theta = 0$$

A) $- 1$
B) $\sqrt { 3 }$
C) $1 + \sqrt { 2 }$
D) 0