What is the distance between the following polar coordinates?: # (3,(-4pi)/3), (4,(7pi)/6) #
1 Answer
Oct 4, 2016
The origin (0, 0) and these two points form a 3,4,5 triangle. Therefore, the distance between the two points is 5.
Explanation:
Let's use the Law of Cosines to solve this problem:
where
Because the angle between them is
