Brian McLogan
Find the missing length using special right triangles
Find the missing length using special right triangles
Curated Video
Proof of The Pythagorean Theorem
In this video we will prove why the Pythagorean Theorem is true for a right triangle. We will visually create squares of each side to prove the theorem. Grade 8 Common Core Topics/Standards
Brian McLogan
Learn to find the bearing back to port by using trigonometry
👉 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
Evaluating the composition of Functions
👉 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,...
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...
Math Fortress
Calculus III: Three Dimensional Vectors (Level 1 of 3)
This video covers Three Dimensional Vectors. This video goes over the various properties associated with three dimensional vectors. 3 basic examples are also covered illustrating how to solve problems that make use of vectors in space.
Brian McLogan
Applying the pythagorean inequality theorem to classify triangles as acute right or obtus
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
Solve for the missing side length using the Pythagorean theorem ex 2
👉 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
Evaluate the composition of inverse trig function with 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,...
Brian McLogan
Evaluate the sum difference identities of two triangles
👉 Learn how to evaluate the secant of the sum or difference of two angles using the sum/difference formulas. To do this, we first use the Pythagoras theorem to obtain all the sides of the right triangle in the unit circle. Recall that...
Brian McLogan
Learn how to verify an identity by multiplication
👉 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
Master Evaluating the half angle for sine, cosine, and tangent given a right triangle
Master Evaluating the half angle for sine, cosine, and tangent given a right triangle
Curated Video
Pythagorean Theorem and the Coordinate Plane
This video lesson will introduce how to find the distance in the Coordinate Plane using the Pythagorean Theorem.
Brian McLogan
Sketch a triangle given a trig angle then determine remaining trig functions of angle
👉 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
Find the value of the trigonometric expression using inverse
👉 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,...
Brian McLogan
Evaluate the 6 trig functions given a triangle 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
Master Evaluating the double angle for Sine, Cosine and Tangent from a right triangle
Master Evaluating the double angle for Sine, Cosine and Tangent from a right triangle
TMW Media
Scalers and Vectors: Solving a problem, Part 2
Based on previous results, how would solve the next part of the problem and express it in terms of magnitude and angle? Scalers and Vectors, Part 5
Curated Video
Solve for Unknown Side Lengths Using the Pythagorean Theorem
In this video, students will learn how to solve for unknown side lengths in right triangles using substitution with the Pythagorean theorem. The video explains the Pythagorean theorem and how to create equations using it. It also reviews...
Brian McLogan
Evaluating the composition of Functions using Right Triangles
👉 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,...
Brian McLogan
How to create a triangle to evaluate the inverse trig function with x
How to create a triangle to evaluate the inverse trig function with x
Curated Video
Proving the Pythagorean Theorem using the Area of a Square and its Pieces
In this lesson, students will learn how to prove the Pythagorean theorem using the area of a square and its pieces. The video demonstrates the process of duplicating a right triangle to form a square with four right triangles on the...
Professor Dave Explains
Polar Coordinates and Graphing Polar Equations
An introduction to polar coordinates and how to graph polar equations.
Brian McLogan
Pre-Calculus - How to Evaluate Using The Double Angle of Sine
👉 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)...