What is the Cartesian form of $(12, \frac{- 15 π}{2})$ $( 12 , ( - 15pi)/2 )$ ?

Question

1199 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-01-15T10:45:21

(0, 12)

Given $r = 12$ $r=12$ and $θ = - 15 \frac{π}{2}$ $theta = -15 pi/2$

$x = r \cdot cos θ$ $x= r* cos theta$ and $y = r \cdot sin θ$ $y=r* sin theta$

$x = 0$ $x=0$

$y = 12$ $y=12$

What is the Cartesian form of (12,−15π2)( 12 , ( - 15pi)/2 ) ?