I tried figuring it out on my own, but I don't get it..
Here's one way of doing this
Cos (90 - x) = √3/2
Cos (30°) = √3/2
So.....x must be = 60°
So.....sin (60°) = √3 / 2 !!!!!
Does that make sense, RP???
Yes, it does make sense. Thank you!