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 - 24 of 1,182 resources
Using Trigonometry to Determine the Height of a Tall Object
2 mins 9th - 12th
How can you calculate the height of a tree without having to climb it all the way to the top? The sixth installment of an 11-part Math in Science video series demonstrates how to use trigonometry to determine the height of a tree.
Trigonometry and the Pythagorean Theorem
9th - 11th CCSS: Designed
Ancient Egyptians sure knew their trigonometry! Pupils learn how the pyramid architects applied right triangle trigonometry. When comparing the Pythagorean theorem to the trigonometric ratios, they learn an important connection that...
The Motion of the Moon, Sun, and Stars—Motivating Mathematics
10th - 12th CCSS: Designed
What does math have to do with the behavior of the earth and sun? Learn how the movement of celestial bodies has influenced the development of trigonometry. Scholars connects the details in mathematics to their real-world meaning.
Trigonometry and Complex Numbers
11th - 12th CCSS: Designed
Complex numbers were first represented on the complex plane, now they are being represented using sine and cosine. Introduce the class to the polar form of a complex number with the 13th part of a 32-part series that defines the argument...
Using Trigonometry to Determine Area
9th - 10th CCSS: Designed
What do you do when you don't think you have enough information? You look for another way to do the problem! Pupils combine what they know about finding the area of a triangle and trigonometry to determine triangle area when they don't...