solve the equation

what is the solution set to sin(2theta) = - radical 3/2 in the interval 0 is greather than or equal to theta < 2pi
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1 Answer

sine(2x)=-sqrt(3/2)=-sqrt(1.5)

=-1.224744871391589

kant be...gotta be <=1

maebee that shood be -sqrt(3) / 2...become -0.8660254037844386

invers sine (-0.866025...)=-60 deg

so 2x=-60 or x=-30
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