how to solve the equation for sin2x=0.75 with four answers

please help- maths homework. I've got 60 and 120 but don't know any of the others.
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1 Answer

2x=invers sine(0.75)=48.59037789 deg

so x=24.29518895 deg

All trig funks go thru sikels, so mae get same anser at 2 or 4 plaeses inside 360 deg

For the sine, next spot is 180-48.59037789 deg
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