Guaranteach - Trigonometry Resource Page

Trigonometry Resource Page

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Welcome to the Guaranteach Trigonometry Resource page!

Here you can get access to some of our best Trigonometry videos! Scroll down or pick a category below to find dozens of short video lessons available immediately. Please create an account to view these lessons.

What kind of Trigonometry help do you need?

Basic Identities (19 lessons, 123 videos)

The Laws of Triangles (15 lessons, 99 videos)

Graphing Sine and Cosine (18 lessons, 121 videos)

Trigonometric Equations and Identities (18 lessons, 119 videos)

Basic Identities (19 lessons, 123 videos)

Trigonometric Functions in Context

(7 videos)

The practical uses of the trigonometric functions are explored here. Familiarity with triangles and with the concepts of the function are required. (4:01)

Trigonometic Notation

(5 videos)

Different ways of noting angles and trigonometric functions are discussed in this lesson. This knowledge will be used when writing out and interpreting trigonometric equations. (3:57)

Determining Which Identity to Use

(7 videos)

Choosing the appropriate trigonometric functions to solve a given problem is demonstrated here. Understanding of each of the trigonometric functions is required. (3:22)

Determining Tangent from Sine and Cosine

(8 videos)

The relationships among tangent, sine, and cosine are shown here. Understanding of right triangles is applied. (2:52)

Other lessons in this section: Drawing a Negative Angle (7 videos) , Finding a Missing Coordinate (7 videos) , Determining the Angle that Corresponds to a Coordinate (7 videos) , Determining the Coordinate that Corresponds to an Angle (7 videos) , Solving Trigonometric Functions on the Unit Circle (9 videos) , The Unit Circle (5 videos) , Coordinates on the Unit Circle (5 videos) , Triangles in the Unit Circle (5 videos) , Angles on the Unit Circle (5 videos) , Radians and Degrees on the Unit Circle (5 videos) , Reference Angles (5 videos) , Trigonometric Functions on the Unit Circle (6 videos) , Positive and Negative Functions (5 videos) , Plotting a Point on the Unit Circle (7 videos) , Drawing a Triangle on the Unit Circle (7 videos)

The Laws of Triangles (15 lessons, 99 videos)

Heron's Formula

(6 videos)

Heron's Formula is introduced in this lesson. This will be applied when solving for the area of a triangle. (3:11)

The Law of Sines

(6 videos)

This lesson introduces the Law of Sines. The concepts shown here will be applied when solving for the sides and angles of a triangle. (3:26)

Solving for an Angle with the Law of Sines

(7 videos)

This lesson demonstrates how to find an angle of a triangle by using the Law of Sines. This is part of a group of lessons that show how the Laws of Sines and Cosines are applied to triangles. (4:27)

Applying the Law of Tangents

(7 videos)

This lesson show how the Law of Tangents is used. This skill will be used to solve for the sides of a triangle. (4:08)

Other lessons in this section: The Law of Cosines (6 videos) , The Law of Tangents (5 videos) , Ambiguous Triangle Identities (5 videos) , Solving for a Side with the Law of Sines (8 videos) , Solving an SAS Triangle with the Law of Cosines (7 videos) , Solving an SSS Triangle with the Law of Cosines (7 videos) , Finding the Area of an SSS Triangle (7 videos) , Finding the Area of an SAS Triangle (7 videos) , Solving the Area of an ASA Triangle (7 videos) , Determining if a Triangle is Unique (8 videos) , Names of Unique Triangles (6 videos)

Graphing Sine and Cosine (18 lessons, 121 videos)

Sine and Cosine

(7 videos)

The differences and similarities of the graphs for sine and cosine are discussed here. Understanding of sine and cosine on a unit circle is applied. (1:27)

Plotting Sine and Cosine Points

(7 videos)

Given a sine or cosine function, this lesson shows how to find plot its points on a graph. The skill of plotting points on a Cartesian coordinate plane and knowledge of the sine function are applied. (4:20)

Shifting the Graph of Sine and Cosine

(7 videos)

This lesson demonstrates how the sine and cosine waves are shifted horizontally. This is part of a group of lessons that demonstrate transformations for the graphs of sine and cosine. (3:53)

Vertically Shifting Sine and Cosine

(7 videos)

This lesson demonstrates how the sine and cosine waves are shifted vertically. This is part of a group of lessons that demonstrate transformations for the graphs of sine and cosine. (2:47)

Other lessons in this section: Sine Wave (8 videos) , Cosine Wave (7 videos) , Amplitude (6 videos) , Period (6 videos) , Transforming Sine and Cosine (5 videos) , Inverse Sine and Cosine (5 videos) , Graphing Sine (7 videos) , Graphing Cosine (7 videos) , Altering the Amplitude of Sine and Cosine (7 videos) , Altering the Period of Sine and Cosine (7 videos) , Graphing Negative Sine and Cosine (7 videos) , Graphing Inverse Sine and Cosine (7 videos) , Graphing Multiple Transformations of Sine and Cosine (7 videos) , Writing the Equation for Transformed Sine and Cosine (7 videos)

Trigonometric Equations and Identities (18 lessons, 119 videos)

Trigonometric Equations

(5 videos)

Equations that include trigonometric functions are introduced here. Concepts in this lesson are important for understanding how to solve such equations. (2:09)

Finding a Common Factor for a Trigonometric Expression

(7 videos)

The process of factoring a common value or expression from multiple terms in a trigonometric equation is shown here. This skill is useful for solving such equations. (3:41)

Solving an Equation Using the Quadratic Formula

(7 videos)

Using the quadratic formula with terms that include trigonometric expressions is shown here. This is part of a group of lessons that show various techniques for solving trigonometric equations. (4:15)

Solving an Equation by Squaring Both Sides

(8 videos)

How squaring both sides of a trigonometric equation can help solve the equation is demonstrated here. This lesson is part of a group of lessons that show various techniques for solving trigonometric equations. (2:31)

Practice Worksheets

Sometimes doing is the best way to learn. Find practice worksheets below with videos of step-by-step explanations & solutions.

PRACTICE WITH BASIC IDENTITIES.PDF

Answer 1

Answer 2

Answer 3

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Answer 5

Answer 6

Answer 7

Answer 8

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Answer 10

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