Lucy makes math easy

This chapter is about law of cosines and applying it to find each side and area of the triangle. Labeling each side and the opposing angle is the first step, then correctly apply the formula based on the values you have to solve the question.

Today we did exponents and logarithms. There’re many rules and laws around logarithms so it’s important to memorize each of them and be able to apply a mixture of the rules in calculations.

This is a summary of graphs, symmetries and periodicities of Sin, Cos and Tan. You would be required to know their characteristic, period and amplitude.