Which historical event began in the colonial period ? a- the establishment of the colony jamestown b- the writing of the declaration of independence c- the discovery of america by columbus d- the beginning of the american revolution

The establishment of Jamestown.

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: