Question

find the polar coordinate of (2,-2).

Answer 1

Convert from rectangular coordinates (x,y) ( to polar coordinates (r,θ) ( using the conversion formulas. r=√x2+y2 r. Replace x x and y y with the actual values. r=√(−2)2+(2)2 r. Replace x x and y y with the actual values. r=2√2 r. Divide 2 2 by −2 - to get −1 - . r=2√2 r. The inverse tangent of −1 - is θ=315° θ . r=2√2 ...

Answer 2

2 coordinate (+,-) ...or can be 4