Solve sin⁡(x)=−0.9\displaystyle {\sin{{\left({x}\right)}}}=-{0.9} on 0≤x<2π\displaystyle {0}\le{x}\lt{2}\pi

There are two solutions, A and B, with A < B and A and B in radians to 4 decimal places.

A =  

B =  

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