Angles of Any Magnitude

How to handle angles that are not acute, when using trig

Pearson’s Coefficient & Regression

Using Pearson’s Coefficient to measure the strength of the correlation and using it to find the “best” line of best, fit known as the regression line

Investigating the relationship that may exist with bivariate data

Solving trig problems in three dimensions

A quick revision of right-angled triangle trigonometry and its use in problems