Mathematics

Problem

The answers are in Chapter 24. 4. Find the slope of the tangent line to

r=\cos (3 \theta)

\theta=\frac{3 \pi}{4}

. (A) -2 (B) 0 (C) 2 (D) The slope is undefined. (A) -2 (B) 0 (C) 2 (D) The slope is undefined.