sinx=sin(2nπ+x)\sin x=\sin (2 n \pi+x)sinx=sin(2nπ+x)
sin(sin−1x)=x\sin \left(\sin ^{-1} x\right)=xsin(sin−1x)=x
sin2x=(−sinx)2\sin ^{2} x=(-\sin x)^{2}sin2x=(−sinx)2
sin−1x=(sinx)−1\sin ^{-1} x=(\sin x)^{-1}sin−1x=(sinx)−1
