Find the rectangular coordinates of the point with the given polar coordinates.
-$\left( 9,0 ^ { \circ } \right)$
A) $( 0,9 )$
B) $( 9,0 )$
C) $( 0 , - 9 )$
D) $( - 9,0 )$

Question

Quizplus · Accepted Answer

The polar coordinates $(r, \theta) = (9, 0^\circ)$ translate to rectangular coordinates $(x, y)$ using the formulas $x = r \cos(\theta)$ and $y = r \sin(\theta)$. Here, $x = 9 \cos(0^\circ) = 9$ and $y = 9 \sin(0^\circ) = 0$, so the rectangular coordinates are $(9, 0)$.

Find the Rectangular Coordinates of the Point with the Given (9,0∘)\left( 9,0 ^ { \circ } \right)(9,0∘)

Find the Rectangular Coordinates of the Point with the Given $\left( 9,0 ^ { \circ } \right)$