In Exercises 85 88, find a unit vector (a) in the direction of v and (b) in the

Chapter 10, Problem 81

(choose chapter or problem)

In Exercises 77-84, sketch a graph of the polar equation and find the tangents at the pole.

\(r=4 \cos 3 \theta\)

Text Transcription:

r=4 cos 3 theta

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