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

Assessment: JAMB UTME - Mathematics - 2005 Subject: General Mathematics

Question 1 Report

If sin θ = -1/2 for 0 < θ < 360o, the value of θ is
Answer Details
Solution
sin θ = -1/2
= -0.5
θ = sin-1 (0.5)
θ = 30o
Since θ is negative
θ = 180 + 30 = 210o
θ = 360 - 30 = 330o
∴θ = 210o and 330o

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