Sin (x)= 0.78 what is x?
The angle whose sin is 0.78 is either 51.26 degrees or 128.74 degrees. (rounded)There's no simple way to calculate this. You just have to look it up in a book or punch it into your calculator.
sin (x)=0.78x=\(sin^{-1} (0.78)\)x= 51.26° or 180°- 51.26°= 128.74°