Why sin 5pi/ 3 gives -√3/2 rather than giving √3/2

1.	Why sin 5pi/ 3 gives -√3/2 rather than giving √3/2
Answer» Sin 5pi/3 = sin(300) =Sin(360-60) =-Sin60 =-√3/2<br>sin5pi/3 =sin300°= sin(360-60) =sin(-60)=-sin60 = -√3/2

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