Solve the Problem $9 ^ { \circ }$ East of South At

Multiple Choice

Solve the problem.
-An airplane is flying in the direction $9 ^ { \circ }$ east of south at $701 \mathrm {~km} / \mathrm { hr }$ . Find the component form of the velocity of the airplane, assuming that the positive $x$ -axis represents due east and the positive $y$ -axis represents due north.

A) $\langle 692.4 , - 109.7 \rangle$
B) $\langle 109.7 , - 692.4 )$
C) $\langle 0.1564 , - 0.987 \rangle \rangle$
D) $\langle 288.9,638.7 \rangle$