Brian McLogan
Learning to evaluate the six trig functions given a equation and constraint
👉 Learn how to evaluate the six trigonometric functions given some constraints. When given the value of one trigonometric function, we can use a right triangle with one of its legs on the x-axis and the other leg, perpendicular to the...
Brian McLogan
Algebra 2 - Find the Double Angle of Tangent To a Triangle, Sin v = 4/5
👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...
Brian McLogan
Comparing hyperbolas to ellipse's
Learn all about hyperbolas. A hyperbola is a conic section with two fixed points called the foci such that the difference between the distances of any point on the hyperbola from the two foci is equal to the distance between the two...
Brian McLogan
Apply the Pythagorean theorem to find the missing length ex 3
👉 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...
Curated Video
Logical Concepts of Consequence and Equivalence
The video explains the logical concepts of consequence and equivalence. The presenter defines logical consequence as a scenario where if Statement A is true, then it implies that Statement B is also true. The video also explains the...
Brian McLogan
How to determine if the three sides make up a triangle
Learn about the Pythagorean theorem. The Pythagoras theorem is a fundamental relation among the three sides of a right triangle. It is used to determine the missing length of a right triangle. The Pythagoras theorem states that the...
Brian McLogan
What are the points on a unit circle in terms of 30 degrees
👉 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
Evaluate the double angle of sine from a triangle
👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...
Curated Video
Deriving the Equation of a Circle Using the Pythagorean Theorem
This video explains how to use algebra to describe the pattern of circles. They introduce the Pythagorean theorem and show how it can be used to derive the equation of a circle centered at the origin. The teacher also demonstrates how to...
Brian McLogan
What is a scalene triangle
👉 Learn the essential definitions of triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of their angles or on the basis of their side lengths. The classification of triangles on the bases of their...
Brian McLogan
How to use the half angle of cosine when given a triangle
👉 Learn how to evaluate the tangent of a half-angle. When given the value of the tangent of an angle, we can evaluate the tangent of half the angle using the tangent half-angle formula. When the value of any other trigonometric function...
Brian McLogan
Evaluate the double angle of cosine from a triangle
👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...
Curated Video
Finding the Perimeter of Two-Dimensional Figures on the Coordinate Plane
In this video, the teacher explains how to find the perimeter of two-dimensional figures on the coordinate plane. They review the Pythagorean theorem and emphasize the importance of adding all the sides together to find the perimeter of...
Brian McLogan
Double and Half Angle Formulas | Analytic Trig | Pre-Calculus
In this video we will explore how to use the double angle to evaluate trigonometric expressions from triangles as well as angles in degrees and radians. We will then use double angle formulas to help verify trigonometric identities and...
Brian McLogan
How to Use Inverse Trigonometric Functions to Find the Angle of a Triangle
👉 Learn how to evaluate inverse trigonometric functions. When an angle is unknown but the value of one of the trigonometric functions of the angle is known, we can evaluate the value of the angle using the inverse trigonometric function...
Brian McLogan
How to determine points on a unit circle with special triangles
👉 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
Understand the different ways we understand the sine function
👉 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 How to find the area and perimeter of a triangle given three points
Master How to find the area and perimeter of a triangle given three points
Brian McLogan
Word Problems with trigonometry and triangles
👉 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
Where do the pythagorean theorems come from
👉 Learn all about the different trigonometric identities and how they can be used to evaluate, verify, simplify and solve trigonometric equations. The identities discussed in this playlist will involve the quotient, reciprocal,...
Brian McLogan
Find the perimeter of a triangle on a coordinate plane | Geometry
👉In this video I will show you how to find the perimeter of a triangle using the distance formula given three points on a coordinate plane.
Catalyst University
Geometry | The Super-Pythagorean Theorem [Diagonal of a Prism]
In this video, we calculate the length of the diagonal in a rectangular prism using the Super-Pythagorean Theorem [with example].
Brian McLogan
Area and Perimeter of Triangle in Coordinate Plane
Timestamps: 0:00 Intro 2:46 Find the Perimeter 6:10 Find the Area Corrections: 4:02 Coordinate Point should be (2,3) Answer is correct as graphed 4:48 Coordinate Point should be (2,3) Answer is correct as graphed