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MATHEMATICS

JAMB 2005 - Question 34

Mathematics 2005 JAMB Past Questions - Question 34: If sin θ = -1/2 for 0 < θ < 360°, the value of θ is

If sin θ = -1/2 for 0 < θ < 360°, the value of θ is

A: 30° and 150°

B: 150° and 210°

C: 210° and 330°

D: 150° and 330°

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Correct Answer

Explanation

If sin θ = -1/2 for 0 < θ < 360°, we can determine the value of θ by finding the angle whose sine is -1/2 within the given range.The angle whose sine is -1/2 is 210°.Therefore, the value of θ is 210°.