Chapter 4 Summary

In chapter 4 we learned all about sins, cosines, tangents, and all other types of trigonometric functions.  We learned the acronym SOH-CAH-TOA and when to apply it to our work. We also learned about sum and difference formulas, double angle formulas, half angle formulas, and Pythagorean identities. And finally we were introduced to the usages of Pythagorean functions. This chapter was actually a lot more harder as it required full attention to detail within working out the problems. I have ran out of ideas for a photo so here's a really cute dog I found on the internet.