Brian McLogan
What are the trigonometric definitions of a right 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...
Tarver Academy
How to Solve Fraction Inequality
In This Episode, Tyler Teaches Us About How to Solve Fraction Inequality
Brian McLogan
Determining If a Function is Even or Odd
👉 Learn how to determine if a function is even or odd. A function is even if the graph of the function is symmetrical about the y-axis, or a function is even if f(x) = f(-x). A function is odd if the graph of the function is symmetrical...
Brian McLogan
SAT ACT Prep Determine the slope of a line perpendicular to another line through two points
SAT ACT Prep Determine the slope of a line perpendicular to another line through two points
Brian McLogan
What is the standard form of a quadtratic
👉 Learn the essentials for graphing a quadratic equation. A quadratic equation is an equation of the form y = ax^2 + bx + c, where a, b and c are constants. The graph of a quadratic equation is in the shape of a parabola which can either...
Brian McLogan
Graphing a quadratic function in standard form
👉 Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...
Brian McLogan
Determine the vertex and domain and range of a function
👉 Learn about the parts of a parabola. A parabola is the shape of the graph of a quadratic equation. A regular palabola is the parabola that is facing either up or down while an irregular parabola faces left or right. A quadratic...
Brian McLogan
Using the sine function to find the missing length of the hypotenuse
👉 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 write an ellipse in standard form to find the center, foci and vertices
Learn how to graph horizontal ellipse which equation is in general form. A horizontal ellipse is an ellipse which major axis is horizontal. When the equation of an ellipse is written in the general form, we first rewrite it in standard...
Brian McLogan
Write the equation of an ellipse given the vertices and co vertices
Learn how to write the equation of an ellipse from its properties. The equation of an ellipse comprises of three major properties of the ellipse: the major radius (a), the minor radius (b) and the center (h, k). The ellipse is vertical...
Brian McLogan
Write the equation of an ellipse given the center, vertex, and co vertex
Learn how to write the equation of an ellipse from its properties. The equation of an ellipse comprises of three major properties of the ellipse: the major radius (a), the minor radius (b) and the center (h, k). The ellipse is vertical...
Zach Star
These very strange universes could theoretically be possible
These very strange universes could theoretically be possible
Brainwaves Video Anthology
Stephen Ritz - Teachers Make a Difference - Robert Shetterly
Stephen teaches in Public School 55 in New York City’s South Bronx, the poorest Congressional District in America. His big idea – pioneered in the Bronx where 37% of residents are food insecure – is to grow food indoors and outdoors all...
Brian McLogan
How to use a 45 45 90 special right triangle to determine the sides 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
Can vertical angles be supplementary
👉 Learn how to define angle relationships. Knowledge of the relationships between angles can help in determining the value of a given angle. The various angle relationships include: vertical angles, adjacent angles, complementary angles,...
KnowMo
The Cosine Rule: How to Calculate Sides and Angles in Triangles
This video provides an electric presentation on the cosine rule, which is a key concept in trigonometry used to calculate side lengths and angles in triangles. The presenter explains how to label triangles accurately and use two formulas...
Brian McLogan
Determining that conditional and contrapositive are logically equivalent statements
👉 Learn how to show that two statements are logically equivalent. Two statements are said to be logically equivalent if they contain the same logical content. i.e. if both statements convey the same meaning. A conditional statement and...
Brian McLogan
Finding the vertex focus and directrix by completing the square
Learn how to graph a horizontal parabola. A parabola is the shape of the graph of a quadratic equation. A parabola is said to be horizontal if it opens to the left or opens to the right. A horizontal parabola results from a quadratic...
Brian McLogan
Determine Which Functions are Even and Which are Odd
👉 Learn how to determine if a function is even or odd. A function is even if the graph of the function is symmetrical about the y-axis, or a function is even if f(x) = f(-x). A function is odd if the graph of the function is symmetrical...
Brian McLogan
Evaluate the trig function and inverse function
👉 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 six trigonometric functions given an angle
👉 Learn how to evaluate the six trigonometric functions of a given angle. When given an angle we locate the angle on the unit circle. Then using the coordinate of the terminal side of the angle on the unit circle and the definitions of...
Brian McLogan
Learning how to graph and determine characteristics of a quadratic using vertex formula
👉 Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...
Brian McLogan
What is a translation or shift of a quadratic graph
👉 Learn the essentials for graphing a quadratic equation. A quadratic equation is an equation of the form y = ax^2 + bx + c, where a, b and c are constants. The graph of a quadratic equation is in the shape of a parabola which can either...