Virtual Nerd
Virtual Nerd: How Do You Find the Sine of an Angle in a Right Triangle?
A trigonometric ratio is a ratio between two sides of a right triangle and includes the sine ratio. Discover how to find the sine of a particular angle in a right triangle by watching this video. [2:48]
Virtual Nerd
Virtual Nerd: How Do You Find the Cosine of an Angle in a Right Triangle?
A trigonometric ratio is a ratio between two sides of a right triangle. The cosine ratio is one of these ratios. Take a look at this tutorial to see how to find the cosine of a particular angle in a right triangle. [3:22]
Khan Academy
Khan Academy: Right Triangle Geometry Harder Example
The video from Khan Academy provides practice questions for the SAT. Students will watch Sal work through a harder right triangle trigonometry problem.
Khan Academy
Khan Academy: Right Triangle Geometry Basic Example
The video from Khan Academy provides practice questions for the SAT. Students will watch Sal work through a basic right triangle trigonometry problem.
Khan Academy
Khan Academy: Right Triangle Word Problems Harder Example
The video from Khan Academy provides practice questions for the SAT. Students will watch Sal work through a right triangle word problem that is more challenging than other examples that are available.
Khan Academy
Khan Academy: Right Triangle Word Problems Basic Example
The video from Khan Academy provides practice questions for the SAT. Students will watch Sal work through a basic Right triangle word problem.
Sophia Learning
Sophia: Drawing a Triangle on the Unit Circle: Lesson 2
This lesson shows how to draw a right triangle on a unit circle. It is 2 of 7 in the series titled "Drawing a Triangle on the Unit Circle."
Sophia Learning
Sophia: Drawing a Triangle on the Unit Circle: Lesson 4
This lesson shows how to draw a right triangle on a unit circle. It is 4 of 7 in the series titled "Drawing a Triangle on the Unit Circle."
Sophia Learning
Sophia: Drawing a Triangle on the Unit Circle: Lesson 5
This lesson shows how to draw a right triangle on a unit circle. It is 5 of 7 in the series titled "Drawing a Triangle on the Unit Circle."
Sophia Learning
Sophia: Drawing a Triangle on the Unit Circle: Lesson 6
This lesson shows how to draw a right triangle on a unit circle. It is 6 of 7 in the series titled "Drawing a Triangle on the Unit Circle."
Sophia Learning
Sophia: Drawing a Triangle on the Unit Circle: Lesson 7
This lesson shows how to draw a right triangle on a unit circle. It is 7 of 7 in the series titled "Drawing a Triangle on the Unit Circle."
Sophia Learning
Sophia: Drawing a Triangle on the Unit Circle: Lesson 1
This lesson shows how to draw a right triangle on a unit circle. It is 1 of 7 in the series titled "Drawing a Triangle on the Unit Circle."
Sophia Learning
Sophia: Finding the Missing Angle of Right Triangle: Lesson 2
Following this lesson, the angle measure of one non-right angle of a right triangle, and the right angle symbol in the right angle of the triangle, you'll be able to determine the value of the missing angle. It is 2 of 9 in the series...
Sophia Learning
Sophia: Finding the Missing Angle of Right Triangle: Lesson 6
Following this lesson, the angle measure of one non-right angle of a right triangle, and the right angle symbol in the right angle of the triangle, you'll be able to determine the value of the missing angle. It is 6 of 9 in the series...
Sophia Learning
Sophia: Finding the Missing Side of a 45 45 90 Triangle: Lesson 9
In this lesson, you'll learn how to use the lengths of two sides of a triangle and the ratio of the side lengths to find the length of the missing side. It is 9 of 9 in the series titled "Finding the Missing Side of a 45-45-90 Triangle."
Sophia Learning
Sophia: Shifting the Graph of Sine and Cosine: Lesson 2
This lesson demonstrates how the sine and cosine waves are shifted horizontally. It is 2 of 7 in the series titled "Shifting the Graph of Sine and Cosine."
Sophia Learning
Sophia: Shifting the Graph of Sine and Cosine: Lesson 4
This lesson demonstrates how the sine and cosine waves are shifted horizontally. It is 4 of 7 in the series titled "Shifting the Graph of Sine and Cosine."
Sophia Learning
Sophia: Shifting the Graph of Sine and Cosine: Lesson 5
This lesson demonstrates how the sine and cosine waves are shifted horizontally. It is 5 of 7 in the series titled "Shifting the Graph of Sine and Cosine."
Sophia Learning
Sophia: Shifting the Graph of Sine and Cosine: Lesson 6
This lesson demonstrates how the sine and cosine waves are shifted horizontally. It is 6 of 7 in the series titled "Shifting the Graph of Sine and Cosine."
Sophia Learning
Sophia: Shifting the Graph of Sine and Cosine: Lesson 7
This lesson demonstrates how the sine and cosine waves are shifted horizontally. It is 7 of 7 in the series titled "Shifting the Graph of Sine and Cosine."
Sophia Learning
Sophia: Shifting the Graph of Sine and Cosine: Lesson 1
This lesson demonstrates how the sine and cosine waves are shifted horizontally. It is 1 of 7 in the series titled "Shifting the Graph of Sine and Cosine."
Sophia Learning
Sophia: Sine and Cosine: Lesson 2
The differences and similarities of the graphs for sine and cosine are discussed here. This lesson is 2 of 7 in the series titled "Sine and Cosine."
Sophia Learning
Sophia: Sine and Cosine: Lesson 3
The differences and similarities of the graphs for sine and cosine are discussed here. This lesson is 3 of 7 in the series titled "Sine and Cosine."
Sophia Learning
Sophia: Triangle Height: Lesson 3
This lesson will demonstrate how to locate the height in an obtuse, right, and acute triangle. It is 3 of 5 in the series titled "Triangle Height."