Question

What is the Cartesian form of `( 3 , (16pi)/6 )`?

Answer 1

`(-3 sqrt 3 / 2, + 3/2)`

Explanation:

`x = 3 cos frac{16 pi}{6} = 3 cos frac{8 pi}{3} = 3 cos frac{2 pi}{3} = - 3 cos frac{pi}{3} = - 3 * sqrt 3 / 2`

`y = 3 sin frac{16 pi}{6} = 3 sin frac{pi}{3} = 3/2`