Further MathematicsTrigonometryWAEC
Solve sin θ = −1/2 for 0° ≤ θ ≤ 360°.
Show answer
Answer: B. 210° and 330°
Sine is negative in the third and fourth quadrants: 180° + 30° and 360° − 30°.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.