# 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 798 resources
11 Items in Topic
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#### Ricochet Science: Math in Science

For Students 9th - Higher Ed
The 11 resources in the Math in Science playlist cover concepts introduced in a high school or college biology class. Topics include Comparing Metric Units of Measurement, Mass and Weight, Volume, and Length. Other videos focus on...
12 Items in Unit
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#### Common Core Algebra 2, Unit 9

For Teachers 9th - 12th Standards
Flip your classroom, or offer engaging visual aids to your lessons with a series of videos that explore the concept of trigonometry. After an introduction to the topic, high schoolers investigate reference triangles, unit circles, and...
42 Items in Unit
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#### TeachEngineering: Photovoltaic Efficiency

For Teachers 9th - 12th Standards
Many factors affect the power output of photovoltaic (PV) solar panels. Four lessons and activities provide young engineers with the background information they need to design, build, and test photovoltaic systems.
25 Items in Topic
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#### Exploring Space Through Math: Geometry

For Teachers 9th - 12th Standards
Young mathematicians use their knowledge of geometry and precalculus to study the movement of the robotic arm on the International Space Station (ISS) and the flight pattern of NASA’s C-9 jet. In addition, they use spherical coordinates...
20 Items in Unit
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#### Common Core Algebra 2, Unit 10

For Teachers 9th - 12th Standards
Unit 10 in the Common Core Algebra 2 series focuses on graphing sine and cosine. Learners discover how to find the amplitude and midline, both from the graphs and the function in standard form. They then graph sine and cosine with...
13 Items in Course
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#### Flipped Math: Common Core Algebra 2

For Teachers 9th - 12th Standards
Algebra 2 pupils will flip over a 13-unit course that addresses Common Core standards designed for out-of-class learning. The first-semester unit covers polynomials, polynomial functions, radicals, transformations of functions, and...
30 Items in Unit
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#### Geometry Unit 7: Right Triangles

For Students 9th - 12th Standards
Six lessons comprise the Geometry Unit 7: Right Triangles unit module. In the first lesson, pupils review the Pythagorean Theorem and determine how to use the converse to determine whether a triangle is right, obtuse, or acute. Next,...
29 Items in Unit
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#### Geometry Unit 9: Area of Polygons

For Teachers 9th - 12th Standards
Six lessons make up the Geometry Unit 9: Area of Polygons unit module. Pupils review the formulas for finding the area of parallelograms and triangles. They apply previous learning of trigonometric ratios and the Pythagorean Theorem to...
12 Items in Course
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#### Flipped Math: Geometry

For Students 9th - 12th Standards
Imagine taking a complete geometry course remotely! Eleven units make up the My Geometry course. Each unit follows the Flipped-Mastery cycle of learning, divided into two semesters. Pupils watch and take notes on a video that details the...
Instructional Video1:55
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Ricochet Science

#### Using Trigonometry to Determine the Height of a Tall Object

For Students 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.
eBook
Schoolcraft College

#### Trigonometry

For Teachers 9th - 12th Standards
This trigonometry textbook takes the learner from a basic understanding of angles and triangles through the use of polar coordinates on the complex plane. Written by a mathematician-engineer, examples and problems here are used to...
Instructional Video2:51
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#### Trigonometry work problems (part 2)

For Students 11th - Higher Ed
In this part 2 video, Sal finishes the trigonometric word problem of the wayward ship captain. He wisely continues the algebra work on the problem before finally turning to his calculator for the very last calculation.
Lesson Plan
Project Maths

#### Introduction to Trigonometry

For Teachers 9th - 12th Standards
The topic of trigonometric ratios is often covered with loads of rote memorization baked into the activity. This activity set, however, leans more on using similar triangles and discovery learning to help young geometers develop a deeper...
Handout
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#### Math Handbook: Trigonometry

For Students 9th - 12th Standards
You'll be spinning in unit circles once you read through this jumbo-sized resource of everything you need to know about trigonometry. Each page has color-coded examples with explicit directions that detail the problems and formulas.
Worksheet
Lane Community College

#### Review Sheets: Trigonometry

For Students 9th - 12th Standards
Review guide, practice test, homework packet? Yes, yes, and yes as it's all possible with a wonderful trigonometry packet. Every type of problem is there, starting from the unit circle and ending with conic sections.
Worksheet
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For Teachers 9th - 12th Standards
A fabulous set of examples and problems that introduce basic trigonometry concepts, this packet is set apart by the care it takes to integrate both radians and degrees into the material. After defining radians, the author demonstrates...
Instructional Video9:57

#### Trigonometry Word Problems (Part 1)

For Students 10th - 12th
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...
Instructional Video7:56
Corbett Maths

#### Trigonometry – Missing Angles

For Students 10th - 12th Standards
So what's your angle? Scholars watch a brief video that looks at how to find the missing angles of a right triangle using trigonometry. The narrator explains inverse trigonometric functions and shows how to apply them when solving for...
Instructional Video2:51
Curated OER

#### Trigonometry Work Problems (Part 2)

For Students 10th - 12th
In this part two video, Sal finishes the trigonometric word problem of the wayward ship captain. He wisely continues the algebra work on the problem before finally turning to his calculator for the very last calculation.
Lesson Plan

#### Trigonometry and the Pythagorean Theorem

For Students 9th - 11th Standards
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...
Assessment
Mathed Up!

#### Trigonometry

For Students 10th - 12th
Learn how to solve a triangle. Young mathematicians view a video that explains how to apply trigonometry to find missing sides and angles of a right triangle. A activity tests their understanding of the concept.
Lesson Plan
Curated OER

#### Concepts in Precalculus 1: Trigonometry

For Teachers 11th - 12th
Learners investigate trigonometry.  In this Algebra II/Pre-calculus/Trigonometry lesson, students explore Islamic achievements in mathematics as they calculate angles and distances using the Law of Sines and the Law of Cosines. ...
Instructional Video15:13
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#### IIT JEE Trigonometry Problem 1

For Students 11th - Higher Ed
Sal solves an interesting question in this video from a college entrance exam in India that requires one to use knowledge of arithmetic progressions, trigonometric identities, and algebra. He works through solving the problem in a...
Instructional Video12:49
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#### IIT JEE Trigonometry Constraints

For Students 11th - Higher Ed
Sal solves a challenging trigonometric problem for finding the number of values of _ that satisfy a number of constraints over a given interval. He shows a clear step-by-step solution and uses some trigonometric identities that he derives.