Historians once referred to the middle ages roughly 400-1400 as the

The Dark Ages were from 400-1400.  It was called that because of the deterioration of the economies in Western Europe after the fall of the Roman Empire :)

Remember soh-cah-toasoh: cah: toa: now, looking at the picture we can see that we have an angle, the hypotenuse and want to find the value of the adjacent side to the angle. so we use cah to find the adjacent angle. plug in what we have: we need to solve for x now so we get it by itself on one side: plug this into your calculator and you'll find that: