Question

how do you do this problem

you are given the solution set for sin x =-1/2

it asks you to give the solution set for sin 2x= -1/2

I'm stuck because   sin 2x = 2 (sin x)(cos x) 

-1/4 = sinxcosx 

how do you find this

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MathTrigonometry

Trigonometric Ratios

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