Question

What is the polar form of `(1,2)`?

Answer 1

`(sqrt(5),1.11^c)`

Explanation:

For given `(x,y)` coordinates, `(x,y)->(r,theta)` where `r=sqrt(x^2+y^2)` and `theta=tan^-1(y/x)`

`(1,2)->(r,theta)=(sqrt(1^2+2^2),tan^-1(2))~~(sqrt(5),1.11^c)`