Trigonometry Teacher Resources
Combine the triangle and the Cartesian coordinate grid to produce Trigonometry. Trig functions, complex numbers, identities, vectors, and real life applications like circuits are here to energize your classroom.
Showing 1 - 20 of 1,181 resources
Trigonometry Word Problems (Part 1)
Sal starts to solve a trigonometric word problem of a wayward ship captain who veers off course and once aware of his predicament, needs to know how far he is from his destination. Instead of using the Law of Cosines in his solution, Sal...
10 mins 10th - 12th Math
Round and Round the Unit Circle
Your young trigonometry learners will analyze and discover the many valuable relationships on the Unit Circle in this very rich collaborative task. Using co-terminal and reference angles in degrees and radians, learners find and label...
9th - 12th Math CCSS: Designed
Finding the Area of an Equilateral Triangle
The problem seems simple: find the area of the equilateral triangle whose sides are each length 1. In fact, this same problem is solved in 8th grade, addressing a different Common Core standard, using the formula for area of a triangle...
9th - 11th Math CCSS: Designed
Scoring Guide for the Algebra 2/Trigonometry Test Sampler
High schoolers take an Algebra II/Trigonometry sample test. In this Algebra II/Trigonometry sample sample test lesson, students take a sample test for Algebra 2/Trigonometry. High schoolers solve 39 multiple choice/short answer...
9th - 12th Math