how does sin(3arcsin(1)) =-2
I understand the concept sin(arcsin(x)) = sin(arcsin(x)) which is just x, but now why doesn't sin(3arcsin(1)) = 2arcsin(1) or 2sin(1) . I have been struggling for hours, racking my brain and canceling out many equations tryingto figure out, for my maths homework.
u/sapphostorian — 12 days ago