Brian McLogan
Learn how to evaluate the three trig functions given a trig equation and constraint
👉 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
Learn how to evaluate the six trig functions given an 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
How to use special right triangles to evaluate for cosine of 45 degrees
👉 Learn how to evaluate trigonometric functions using the special right triangles. A right triangle is a triangle with 90 degrees as one of its angles. A special right triangle is a right triangle with the angles 30, 60, 90 degrees or...
Brian McLogan
How to use the law of cosines with your calculator (SAS)
How to use the law of cosines with your calculator (SAS)
Brian McLogan
Use the law of sines to find the missing measurements when given two acute angles
👉 Learn how to solve for the length of the sides and the measures of the angles of a triangle using the law of sines. The law of sines is used in determining the length of the opposite side to a known angle measure or the measure of the...
Brian McLogan
How to apply the law of sines to find the remaining parts of a triangle
👉 Learn how to solve for the length of the sides and the measures of the angles of a triangle using the law of sines. The law of sines is used in determining the length of the opposite side to a known angle measure or the measure of the...
Brian McLogan
Introduction into the law of sines
👉 Learn how to solve for the length of the sides and the measures of the angles of a triangle using the law of sines. The law of sines is used in determining the length of the opposite side to a known angle measure or the measure of the...
Brian McLogan
How to find the area of an oblique triangle
👉 Learn how to find the area of a triangle. The area of a triangle is the measure of the region enclosed by the triangle. There are several methods that can be used to find the area of a triangle depending on the available information....
Brian McLogan
Finding the missing parts of a triangle AAS law of sines
👉 Learn how to solve for the length of the sides and the measures of the angles of a triangle using the law of sines. The law of sines is used in determining the length of the opposite side to a known angle measure or the measure of the...
Brian McLogan
Exam Review Solve word problem with changing angle
👉 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
How do I graph a line using slope intercept form
👉 Learn about graphing linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. i.e. linear equations has no exponents on their variables. The graph of a linear equation is a straight line. To...
Curated Video
Rotations in the Coordinate Plane
In this video lesson we will learn how to rotate figures in the coordinate plane about the origin. We will understand that all rotations result an image that is congruent to the original figure. The origin will be the center of rotation....
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
Brian McLogan
Solving word problems lengths of a triangle - Online Tutor - Free Math Videos
👉 Learn how to solve equations from word problems. A word problem is a real word simulation of a mathematics principle. We can solve equation(s) from a word problems by first understanding what the problem is asking. We then assign...
Curated Video
Identify Properties of Right Triangles
This video describes the unique properties of right triangles. It explains that every right triangle has one right angle, two legs, and one hypotenuse. It also emphasizes that the size and orientation of right triangles can vary, but...
Let's Tute
Coordinate Geometry: Solving Questions Using the Distance Formula
In this video, a teacher discusses how to use the distance formula to determine if points are collinear, recognize different types of triangles, including right-angled triangles, and determine if given coordinates form a square. The...
Brian McLogan
Determining undefined slope from a graph positive
👉 Learn how to find the rate of change from graph. The rate of change is the rate at which y-values are changing with respect to the change in x-values. To determine the rate of change from a graph, a right triangle is drawn on the graph...
Brian McLogan
How do you find all of the sides for a equilateral triangle
👉 Learn how to find the missing side of a triangle. A triangle is a polygon with three sides. Triangles are classified on the basis of the angles or on the basis of the sides. The classification of a triangle on the basis of the sides...
Brian McLogan
How to prove parallel lines using the converse triangle proportionality theorem
👉 Learn how to solve for the unknown in a triangle divided internally such that the division is parallel to one of the sides of the triangle. The triangle proportionality theorem states that if a line is parallel to one side of a...
Brian McLogan
What is similarity
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
Brian McLogan
What is the tangent function
👉 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
Using two 30 60 90 triangles to determine the missing lengths of a figure
👉 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
How to use the tangent function to find the missing opposite side of a triangle
👉 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 determine where the opposite 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...