Brian McLogan
Find the angle of elevation when given the length of a shadow
👉 Learn how to solve the word problems with trigonometry. Word problems involving angles, including but not limited to: bearings, angle of elevations and depressions, triangles problems etc are solved using trigonometry. To be able to...
Brian McLogan
Learn how to solve a simple trig equation
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric identities, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Professor Dave Explains
Derivatives of Trigonometric Functions
How to take the derivatives of trigonometric functions.
Professor Dave Explains
Kinematics Part 3: Projectile Motion
Things don't always move in one dimension, they can also move in two dimensions. And three as well, but slow down buster! Let's do two dimensions first. You know, like a cannonball. Isn't this getting fun?
Professor Dave Explains
Integration by Trigonometric Substitution
An introduction to integration by trigonometric substitution.
Brian McLogan
What are the definitions of trigonometric functions on the unit circle
👉 Learn about the trigonometric functions using the unit circle. The trigonometric function of an angle is the value of the trigonometric functions of sine, cosine, tangent, cosecant, secant and cotangent of that angle. To use the unit...
Brian McLogan
What you need to know | Trigonometry
In this video we will cover the key topics you will need to know before starting our chapter on Trigonometry in Pre-calculus. We will start by working through the Pythagorean Theorem and then working through the trigonometric identities...
Professor Dave Explains
Formulas for Trigonometric Functions: Sum/Difference, Double/Half-Angle, Prod-to-Sum/Sum-to-Prod
An overview of various formulas relating to trigonometric functions.
Professor Dave Explains
Hyperbolic Functions: Definitions, Identities, Derivatives, and Inverses
An introduction to hyperbolic functions.
Professor Dave Explains
Trigonometric Functions: Sine, Cosine, Tangent, Cosecant, Secant, and Cotangent
Defining the trigonometric functions.
Professor Dave Explains
Scalars, Vectors, and Vector Operations
What are all these funny little arrows? They're vectors! And we will use them to represent every single force we discuss in physics, so we need to know how to draw them, add them, subtract them, split them up into X and Y components, the...
Khan Academy
Khan Academy: Trigonometry: Using Trig Functions Part Ii
Continuation of video lesson using the basic trigonometric functions to determine unknown side lengths of a right triangle. Example shows using trigonometry as well as the Pythagorean Theorem to find the length of the third side of the...
Khan Academy
Khan Academy: Trigonometry: Using Trig Functions
Video using the basic trigonometric functions to find the length of a side in a right triangle. Examples are given with angle measures in radians. Includes link to additional practice problems. [10:03]
Khan Academy
Khan Academy: Angles, Arc Lengths, and Trig Functions Harder Example
The video from Khan Academy provides practice questions for the SAT. Watch Sal work through a harder angles, arc lengths, and trig functions problem.
Khan Academy
Khan Academy: Angles, Arc Lengths, and Trig Functions Basic Example
The video from Khan Academy provides practice questions for the SAT. Students will watch Sal work through a basic angles, arc lengths, and trig functions problem.