Curated Video
Applying trigonometric ratios in 3D
Pupil outcome: I can apply knowledge of trigonometric ratios to 3D problems. Key learning points: - If angles are involved, then you may wish to apply trigonometric ratios to the 3D problem - This allows you to calculate the angle...
Curated Video
Choosing the right trigonometric ratio
Pupil outcome: I can choose the appropriate trigonometric ratio to use to solve problems in right-angled triangles. Key learning points: - When selecting the appropriate trigonometric ratio, consider what information you have been given....
Curated Video
Tangent ratio
Pupil outcome: I can derive the tangent ratio from the sides of a right-angled triangle. Key learning points: - When the adjacent has a length of one, the opposite side has a length of tan(θ). - You can apply a scale factor to this...
Curated Video
Scaling the right-angled triangle from the unit circle
Pupil outcome: I can recognise the right-angled triangle within a unit circle and use proportion to scale to similar triangles. Key learning points: - There are specific ratios within the two key right-angled triangles defined by the...
Curated Video
Choosing an appropriate method for finding lengths of a triangle
Pupil outcome: I can choose the appropriate method to find the missing side in a right-angled triangle. Key learning points: - Trigonometry can be useful in many practical situations. - You can use it to find the height of objects. - You...
Curated Video
Sine and cosine ratios
Pupil outcome: I can derive the sine and cosine ratios from the sides of a right-angled triangle. Key learning points: - When the hypotenuse has a length of one, the opposite side has length sin(θ) - When the hypotenuse has a length of...
Curated Video
Problem solving with trigonometry
Pupil outcome: I can use my knowledge of trigonometry to solve problems. Key learning points: - Sometimes there can be more than one valid approach to a problem. - You should consider all the skills you have. - Consider multiple...
Curated Video
Find Trig Ratios (when given another ratio)
In this video, we investigate how to find trig ratios when given other ratios. First, we define all six trig ratios, then we examine for which quadrant each angle is positive and negative. Then, we work two examples.
Curated Video
Using Geometry to Determine the Cost and Length of Water Slides
In this video, the teacher explains how to use geometry knowledge as a water slide engineer. They demonstrate how to model a word problem by applying trigonometric ratios or the Pythagorean theorem. The lesson includes finding the cost...
Let's Tute
Basic Trigonometry Identities
In this video we will learn what is Basic Trigonometry Identities. We will cover the topics such has Trigonometry Identities, Equations & Identities, Application, Some Questions and Derivation.
Brian McLogan
Learn to solve a word problem using the trigonometric ratios
👉 Learn how to solve word problems with triangles. A word problem is a real-life situation which can be modelled mathematically. Word problems involving angles of elevation and depression, straight object leaning against a vertical...
Brian McLogan
Finding the measure of angle when given two side lengths of a triangle - math help
👉 Learn all about right triangles. In this playlist you will learn how to solve for the missing sides and angles of right triangles. We will explore applying the six trigonometric functions as well as use special right triangles. We will...
Brian McLogan
Learn how to determine if there are 1 2 or no triangles
👉 Learn how to determine if a given SSA triangle has 1, 2 or no possible triangles. Given two adjacent side lengths and an angle opposite one of them (SSA or ASS), then there are 3 possible cases: there can be 1 solution, 2 solutions,...
Curated Video
Trigonometric Ratios and the Unit Circle
This video explains the definitions of the trigonometric ratios, specifically using the unit circle to determine their values beyond 90 degrees and into negatives. The video demonstrates how to use the unit circle to find the values of...
Brian McLogan
How to write the three trigonometric ratios for a triangle
👉 Learn all about the trigonometry of right triangles. 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 right...
Let's Tute
Introduction to Trigonometry: Finding Heights and Distances
This video explains the basics of trigonometry and how it can be used to calculate the height and distance of objects that are too far away to measure physically. It covers properties of right angle triangles, trigonometric ratios, and...
Brian McLogan
Master solving word problems using inverse trigonometry
Master solving word problems using inverse trigonometry
Brian McLogan
Trigonometry | Preparing for Precalculus Part 6
Trigonometry | Preparing for Precalculus Part 6
Brian McLogan
What is sohcahtoa
👉 Learn all about the trigonometry of right triangles. 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 right...
Brian McLogan
How to determine the three trigonometric ratios for a triangle
👉 Learn all about the trigonometry of right triangles. 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 right...
Brian McLogan
Right Triangles | Trigonometry | Pre-Calculus
In this lesson I will show you how evaluate the six trigonometric functions with right triangles. We will begin by finding the missing side of a triangle with the pythagorean theorem and then transcend into identifying the sides of a...
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Introduction to Trigonometric Ratios
This video explains how trigonometry can be used to find the height and distance of objects, especially in cases where physical measurement is not possible. It covers the properties of right angle triangles, trigonometric ratios, and how...
Brian McLogan
Pre Calc unit 3 how to use cosine to find the missing side of a triangle
Pre Calc unit 3 how to use cosine to find the missing side of a triangle
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Some Stupid Math Mistakes #17
Check out our latest upload on 'Trigonometric Ratios' from our interesting series 'Some Stupid Math Mistakes'