MathematicsTrigonometryJAMB
Solve sin θ = ½ for 0° ≤ θ ≤ 180°.
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Answer: A. 30° or 150°
sin 30° = ½, and sine is also positive in the second quadrant: 180° − 30° = 150°.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.