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Given that sin theta -0 9063 where O leq theta ... - WAEC Mathematics 1991 Question

Given that sin \(\theta\) = -0.9063, where O \(\leq\) \(\theta\) \(\leq\) 270°, find \(\theta\).

A
65o
B
115o
C
145o
D
245o
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Correct Option: D

Sin\(\theta\) = -0.9063; \(\theta\) = sin-1(0.9063)

\(\theta\) = -64.99 = -65°

\(\theta\) = 180° - (-65);

180 + 65 = 245°

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