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Trigonometry
Question

9. If \( \sin \theta = \sin 210 ^ { \circ } \) , t...

9. If \( \sin \theta = \sin 210 ^ { \circ } \) , then \( \theta \) quadrant: 

A I 

B II 

C cannot be determined

 D IV 

Answer

sin 210 = -0.5

\(\theta = - 30° \)

-30 is in IV th quadrant

Solution
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