# Trigonometric Identities Teacher Resources

Find Trigonometric Identities lesson plans and worksheets
Showing 689 resources
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 Topic
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#### Krista King Math: Pre-Calculus

For Students 11th - Higher Ed Standards
A precalculus playlist of 29-videos demonstrates the processes and includes step-by-step explanations of functions. The collection includes inverse trig functions, polar coordinates, graphing polar curves, parametric curves, analytic...
12 Items in Topic
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#### Getting into Trig

For Teachers 9th - 12th Standards
Starting with right triangles (SOH-CAH-TOA) and working up to the concept of radians, this collection introduces students to trigonometric ratios and supports them in learning to evaluate trigonometric functions.
31 Items in Topic
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#### Krista King Math: Derivatives

For Students 11th - Higher Ed Standards
Everything calculus scholars need to know about derivatives can be found in this 31-resource playlist. The collection defines the derivative and includes derivative rules, chain rule, derivatives of trig functions, derivatives of...
38 Items in Topic
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#### AP Calculus AB

For Students 11th - 12th
Prepare high school mathematicians for the AP Calculus AB exam with a collection of 38 videos that can be used to introduce the topics or as a review. The videos focus on two processes; differentiating a function and integrating a...
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...
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...
19 Items in Curriculum Set
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#### WindWise Education Curriculum

For Teachers 6th - 12th Standards
Imagine a world powered by wind! The 19 lessons in this curriculum set provide young environmental scientists the information they need to imagine just that. The series begins with a lesson on the difference between forms of energy and...
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...
18 Items in Unit
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#### Rockets Educator Guide

For Teachers Pre-K - 12th Standards
The 17 resources in NASA’s Rockets Educator Guide allow young scientists and engineers to engage in experiments as they examine images of more than 2,00 years of rockets. Scholars then read articles that provide an overview of the next...
38 Items in Assessment Set
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#### Balanced Assessment: Advanced High School Math Packet

For Teachers 11th - 12th Standards
Nineteen resources make up the Balanced Assessment: Advanced High School Math Packet designed to test learners' knowledge in Algebra II, Geometry, and Pre-Calculus classes. To demonstrate their understanding of concepts related to these...
26 Items in Unit
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#### Geometry Unit 11: Circles

For Students 9th - 12th Standards
The five resources in the Geometry Unit 11: Circles Unit Module are designed for the flipped classroom. Pupils watch videos that show how to apply concepts about circles, tangents, congruent chords and arcs, and intercepting arcs....
Instructional Video4:10
CK-12 Foundation

#### Trigonometric Ratios with a Calculator: Lesson

For Students 9th - 12th Standards
Calculators ... they are more efficient than tables. Using two 30-60 right triangles, the segment of a playlist on geometry shows that trigonometric ratios for an angle are the same independent of the size of the triangle. The video...
Lesson Plan
Curated OER

#### Worksheet 9: Trig Functions

For Teachers 12th - Higher Ed
In this math worksheet, young scholars are given 7 problems in which they write expressions for trig functions, compute limits and graph functions.
Worksheet
Curated OER

#### Inverse Trig Functions

For Students 10th - 11th
Learners solve and graph 10 different problems that are the inverses of various trig functions. First, they determine which equation is equivalent to a given equation. Then, they find an angle of a right triangle, given its leg lengths....
Lesson Plan
EngageNY

#### Proving Trigonometric Identities

For Teachers 10th - 12th Standards
Young mathematicians first learn the basics of proving trigonometric identities. They then practice this skill on several examples.
Instructional Video6:30
CK-12 Foundation

#### The Trigonometric Ratios: Lesson

For Students 9th - 12th Standards
SOH, what is this thing called trigonometric ratios? A section of an extensive playlist on geometry identifies the adjacent and opposite sides in relationship of an angle. Using the identified sides, the video defines the sine, cosine,...
Instructional Video
FuseSchool

#### Intro to Trigonometric Ratios

For Students 9th - 12th Standards
Finding trigonometric ratios is relatively easy; you just have to know where to look. The first installment of a 16-part video playlist shows how to find the sine, cosine, and tangent values for a given angle. It shows how to find the...
Instructional Video4:35
CK-12 Foundation

#### Inverse Trigonometric Ratios: Lesson

For Students 9th - 11th Standards
Finding the inverse of trigonometric ratios is not the same as finding the reciprocal. The presentation introduces how to find the angle of a right triangle given sides. Part of a larger playlist on geometry, the video uses the inverse...
Lesson Plan
EngageNY

#### The Definition of Sine, Cosine, and Tangent

For Students 9th - 10th Standards
Introduce your classes to a new world of mathematics. Pupils learn to call trigonometric ratios by their given names: sine, cosine, and tangent. They find ratios and use known ratios to discover missing sides of similar triangles.
Worksheet
Curated OER

#### 6.5 Skill Builder: Trigonometric Identities

For Students 9th - 12th
In this trigonometric identities worksheet, students solve 16 multi-part short answer problems. Kids use the quotient identity and Pythagorean identity to simplify trigonometric expressions. Students factor trigonometric expressions.
Worksheet
Curated OER

#### Section 8-6: Solving Problems Using Trigonometric Ratios

For Students 9th - 12th
In this trigonometric ratios worksheet, students solve 20 short answer and multiple choice problems.  Students use trigonometric ratios, the angle of depression, and angle of elevation to find missing side lengths of angles of a triangle.
Instructional Video8:35
Curated OER

#### Trig Identities Part 3 (Part 5 if you watch the proofs)

For Students 10th - 12th
Sal takes the mystery out of the trigonometric identities by showing how easily they can be derived. He continues with a problem he started in the video �Trig identities part three (part five if you watch the proofs) and proves the trig...
Worksheet
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Curated OER

#### Right Triangle Trigonometry: Evaluating Trigonometric Ratios

For Students 10th - 12th
In this right triangle trigonometry instructional activity, students use trigonometric ratios to determine the length of a missing side of a triangle or to find a specified angle measurement. This four-page instructional activity...