Coordinate Geometry-1

From Homeworkwiki

Jump to: navigation, search

Write the polar coordinates of the point (2,2).

Solution: y/x = 2/2 = 1 = tan Θ i.e. Θ = 450

r2 = x2 + y2 = 22 + 22 = 8

Therefore, r = √8 = 2 √2

Polar coordinates of a point are given by (r, Θ)

Therefore, Polar coordinates of (2,2) are (2√2, 450)

Personal tools
McAfee SECURE sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams