Pi/3
2pi/3
4pi/3
5pi/3
Can be more than one answer
arc sines defined => -π/2~π/2
y = arcsin ( - sqrt3 /2 ) =>4th.Q
y = -π/3 = 5π/3
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Verified answer
arc sines defined => -π/2~π/2
y = arcsin ( - sqrt3 /2 ) =>4th.Q
y = -π/3 = 5π/3