Curated Video
Angles of Elevation and Depression: Finding the Height of a Flagpole
In this video, students will learn how to use trigonometric ratios to find the height of a flagpole. The lesson covers angles of elevation and depression, as well as the different trigonometric ratios. The video provides a step-by-step...
Brian McLogan
How to apply sine to find the missing side of a triangle
👉 Learn how to find a missing side length of a right triangle. A right triangle is a triangle that has 90 degrees as one of its angles. The trigonometric identities of right triangles give us the relationship between the angles of a...
Let's Tute
Some Stupid Math Mistakes: Trigonometric Ratios
This video introduces the concept of trigonometric ratios and their standard values for five different angles. It challenges the viewers with questions and options to test their knowledge of the ratios. The video also highlights the...
Brian McLogan
How to find the missing side of a right triangle without a calculator
How to find the missing side of a right triangle without a calculator
Let's Tute
Some Stupid Math Mistakes #17
Check out our latest upload on 'Trigonometric Ratios' from our interesting series 'Some Stupid Math Mistakes'
msvgo
Trigonometric Ratios of Allied Angles
It explains how to find the values of trigonometric functions for the allied angles i.e angles whose sum or difference is a multiple of 90.
Curated Video
Applying the Pythagorean Theorem and Trigonometric Ratios to Solve Word Problems
In this video, the teacher explains how to find the dimensions of a park in the shape of a right triangle. Using the Pythagorean theorem and trigonometric ratios, the teacher demonstrates how to calculate the lengths of the sides of the...
Let's Tute
Tricks to Remember Trigonometric Ratios and Value Table
As a trigonometry teacher, I explain how to remember the value table for commonly used angles and their trigonometric ratios. I also provide a trick to quickly calculate the values for sine, cos, cosec, sec, tan, and cot for any angle....
Curated OER
How Do You Solve a Problem Using an Angle of Elevation?
In this problem you are given an angle of elevation and one side of a right triangle to find a missing side. Watch the instructor explain how to use the tangent ratio formula to solve this problem.
Curated OER
How Do You Find the Tangent of an Angle in a Right Triangle?
What's a trigonometric ratio? It is a ratio between two sides of a right triangle. In this problem, find tangent(A) in the given right triangle. Use the ratio of the opposite side divided by the adjacent side to find tan(A). The...
Curated OER
How Do You Find the Cosine of an Angle in a Right Triangle?
What's a trigonometric ratio? It is a ratio between two sides of a right triangle. In this problem, find cosine(A) in the given right triangle. Use the ratio of the adjacent side divided by the hypotenuse to find cos(A). The instructor...
Curated OER
How Do You Find a Missing Side of a Right Triangle Using Sine?
What's a trigonometric ratio? It is a ratio between two sides of a right triangle. In this problem, find sin(A) in the given right triangle. Use the ratio of the opposite side divided by the hypotenuse to find sin(A). The instructor...
Curated OER
How Do You Solve a Problem Using an Angle of Elevation?
One given angle and one given length equals an unknown height. What? Here's a word problem that can be solved given two pieces of information by using the correct formula. Watch the instructor explain how to use the tangent ratio formula...
Virtual Nerd
Virtual Nerd: How Do You Find the Tangent of an Angle in a Right Triangle?
In this tutorial, find out how to find the tangent of a particular angle in a right triangle. [3:13]
Virtual Nerd
Virtual Nerd: How Do You Find a Missing Side of a Right Triangle Using Sine?
The sine ratio is not only used to identify a ratio between two sides of a right triangle, but it can also be used to find a missing side length. This tutorial shows you how to use the sine ratio to find that missing measurement. [4:29]
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]
Sophia Learning
Sophia: Relationships of Trigonometric Functions: Lesson 3
Relationships among the six trigonometric functions are explored in this lesson. It is 3 of 4 in the series titled "Relationships of Trigonometric Functions." Includes short quiz. [4:46]