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Trigonometry Trigonometric Equations

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If 2 cos² x + 3 sin x - 3 = 0, 0 ≤ x ≤ 180^o ,then x =

A. 30°,90°,150°

B. 60°,120°,180°

C. 0°,30°,150°

D. 45°,90°,135°

E. None of the above

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Correct choice: A

Explanation:

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Eamcet Mathematics Trigonometry Trigonometric Equations

Eamcet Mathematics
Trigonometry Trigonometric Equations