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

Question

1393 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-06-07T18:58:27

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

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

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

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