Question

What is the polar form of `( 8,3 )`?

Answer 1

`(sqrt73 , 0.36 )`

Explanation:

Making use of the formulae that links Cartesian to Polar coordinates.

`r^2 = x^2 + y^2 and theta = tan^-1(y/x )`

For (8 , 3 ) : `r^2= 8^2 + 3^2 = 64 + 9 = 73 rArr r = sqrt73`

and `theta = tan^-1(3/8 ) ≈ 0.36 radians`