Curated OER
Unit Conversion Exercises
In this unit conversion and radiation worksheet, students are given a chart with basic unit conversions for calculating radiation dosages. Students use the conversion factors to solve 7 problems.
Windstream
Ojk's Precalculus Study Page: More Difficult Trig Equations
An introduction to solving trigonometric equations by using the reciprocal, negative, Pythagorean, and cofunction identities. Includes several examples and exercises with solutions at the bottom of the page.