Given that sin (theta) = -0.9063, where O (leq) (theta) (leq) 270°, find (theta).
-
A.
65o -
B.
115o -
C.
145o -
D.
245o -
E.
265o
Correct Answer: Option D
Explanation
Sin(theta) = -0.9063; (theta) = sin-1(0.9063)
(theta) = -64.99 = -65°
(theta) = 180° – (-65);
180 + 65 = 245°