Brian McLogan
How to find the hypotenuse of a triangle using Pythagorean Theorem
How to find the hypotenuse of a triangle using Pythagorean Theorem
Brian McLogan
Finding the six trigonometric functions from a triangle
👉 Learn how to evaluate the six trigonometric functions given a right triangle. A right triangle is a triangle with 90 degrees as one of its angles. A right triangle is made up of two legs, which formed the sides of the 90 degrees angle...
Brian McLogan
How to determine where the adjacent leg is on 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...
Curated Video
How to Use and Prove the Pythagorean Theorem
This video teaches the Pythagorean theorem, explaining its proof and how to use it to find missing side lengths of a right triangle. The lesson includes key vocabulary and examples with step-by-step instructions, making it easy to...
Brian McLogan
Given any point evaluate your six trig functions
👉 Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...
Brian McLogan
Master Finding the area and perimeter of a triangle (mistake)
Master Finding the area and perimeter of a triangle (mistake)
Brian McLogan
How to find the distance and bearing back to port word problem
👉 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
Evaluate trig functions using a right triangle and given the sin
👉 Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...
Curated Video
Simplifying Square Roots with Physical Models
In this video, the teacher explains how to simplify square roots by using physical models and the Pythagorean theorem. They demonstrate how to calculate the length of a square root by finding the area of squares and splitting them into...
Let's Tute
Pythagoras Theorem Proof - Pythagorean Theorem
The Pythagoras Theorem says that, for any right angled triangle, the square of the hypotenuse is equal to the sum of the squares of remaining two sides.Out of all the different way of proving it, we will learn it by using the concept of...
Brian McLogan
Verifying an identity by multiplying
👉 Learn how to verify trigonometric identities by expanding the trigonometric expressions. When the given trigonometric expressions involve multiplications with more than one term in parenthesis, we start by expanding the expressions...
Brian McLogan
Evaluate the difference for two angles for sine from a triangle
Learn how to evaluate the sine of an angle in degrees using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Curated Video
Grade 8 Test Prep: Calculator Section Practice Questions
In this video, the teacher provides practice questions for Grade 8 students to prepare for end-of-year assessments or finals. The questions are based on Common Core standards and cover various topics such as geometry, linear equations,...
Curated Video
Finding Distance with Pythagorean Theorem
In this video, the teacher explains how to use the Pythagorean theorem to find the distance between two cities on a coordinate plane, using a standardized test question as an example. The teacher walks through the steps of identifying...
Brian McLogan
The intro to the trig functions for points on the unit circle
👉 Learn about the points on the unit circle. A unit circle is a circle which radius is 1 and is centered at the origin in the cartesian coordinate system. To construct the unit circle we take note of the points where the unit circle...
Brian McLogan
Solve for the missing side of a right triangle using the pythagorean theorem ex
👉 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...
Brian McLogan
How to classify a triangle using the Pythagorean inequality Theorem ex 2
👉 Learn how to classify triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of its angles or on the basis of its side lengths. The classification of triangles on the bases of its angles are: acute,...
Brian McLogan
Evaluate six trig functions given an equation and creating a right triangle
👉 Learn how to evaluate the six trigonometric functions given the value of one of the trigonometric functions. When given the value of one of the trigonometric functions of an angle, we can evaluate the values of the other trigonometric...
Curated Video
Using Pythagorean Theorem to Find the Distance Between Two Points
In this video lesson we will learn how to create a right triangle in the coordinate plane to use the Pythagorean Theorem to find the diagonal distance between to points. We will find the perimeter of a right triangle in the coordinate...
Brian McLogan
Determining a missing length using the properties of a rhombus
👉 Learn how to solve problems with rhombuses. A rhombus is a parallelogram such that all the sides are equal. Some of the properties of rhombuses are: all the sides are equal, each pair of opposite sides are parallel, each pair of...
Brian McLogan
How to use the sine function to find the missing side of a triangle
👉 Learn about the special right triangles. A special right triangle is a right triangle having angles of 30, 60, 90, or 45, 45, 90. Knowledge of the ratio of the length of sides of a special right triangle enables us to solve for any...
Brian McLogan
Given an equation evaluate for the six trig functions using a right triangle
👉 Learn how to evaluate the six trigonometric functions given the value of one of the trigonometric functions. When given the value of one of the trigonometric functions of an angle, we can evaluate the values of the other trigonometric...
Brian McLogan
Evaluate the composition of inverse trig function in terms of x
👉 Learn how to evaluate an expression with the composition of a function and a function inverse. Just like every other mathematical operation, when given a composition of a trigonometric function and an inverse trigonometric function,...