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Worksheet
Curated OER

The Law of Cosines

For Students 11th - 12th
In this Law of Cosines learning exercise, students are asked to demonstrate the ability to apply the Trigonometric Law of Cosines and the Inverse Law of Cosines to solve for sides and angles of right triangles. 
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Worksheet
Curated OER

PreCalculus Worksheet 8.4

For Students 11th - 12th
In this precalculus worksheet, students write numbers in their trigonometric form and compute the numbers to a given power. Students explore the parametric function and trace the roots of unity. After completing eight short answer...