Brian McLogan
Evaluate cosine using half angle formula
👉 Learn how to evaluate the Sine of an angle using the half-angle formula. The half-angle formula for Sine is helpful when you need to determine the exact value of function given an angle but cannot use a calculator or the angle is not...
Brian McLogan
Evaluate your trigonometric values when given a trig 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
Evaluate for Theta Between 0 and 2pi
👉 Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...
Brian McLogan
Sketch the given angle in standard position and determine the quadrant
👉 Learn how to determine the quadrant of an angle given in radians. Recall that 1 radian is the distance on the circumference of the circle that is equivalent to the radius of the circle. Also, recall that the circumference of a circle...
Brian McLogan
Pre-Calculus - Learn How To Evaluate The Double Angle for Sine Given 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)...
Brian McLogan
How to find all of the solutions of an equation with the triple angle of tangent
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Brian McLogan
Master evaluating trigonometric functions using period as an aide
Master evaluating trigonometric functions using period as an aide
Mister Simplify
The Boston Matrix - Simplest explanation ever
BCG's Boston Matrix is a simple tool used in Business and Marketing strategy development. It's used to analyse a business's portfolio of products / brands and understand which brands to focus on for best returns.
Curated Video
Solving Equations Using Graphs: Simultaneous Equations and Inequalities on a Graph
This video shows how to find the solution of simultaneous equations. It also shows how to use inequalitites on a graph in order to shade a region defined by all inequalities. Source of problem: IGCSE A June 2018 paper 1H Q12.
Brian McLogan
Learn how to evaluate the secant of an angle using the unit circle
👉 Learn how to evaluate trigonometric functions of a given angle. Given an angle greater than 2pi in radians, to evaluate the trigonometric functions of the given angle, we first determine the smallest positive coterminal angle of the...
Brian McLogan
4d Example 2 (Evaluating trig functions with the same reference angle)
4d Example 2 (Evaluating trig functions with the same reference angle)
Curated Video
Data Science and Machine Learning (Theory and Projects) A to Z - Features in Data Science: Feature Space
In this video, we will cover feature space. This clip is from the chapter "Machine Learning: Feature Engineering and Dimensionality Reduction with Python" of the series "Data Science and Machine Learning (Theory and Projects) A to Z".In...
Curated Video
Geometry: Translation and Reflection
This video shows the process for solving the problem presented in SATs 2022 Paper 2 Q25, which involves translation and reflection on a grid. Students will understand the concept of transformation in geometry and how it applies to shapes...
Brian McLogan
Using triangles to evaluate for the difference formula of tangent
👉 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
Half angle of Cosine given an angle in radians
👉 Learn how to evaluate the Sine of an angle using the half-angle formula. The half-angle formula for Sine is helpful when you need to determine the exact value of function given an angle but cannot use a calculator or the angle is not...
Catalyst University
Exercise 5: Streaking for Isolation & Spread Plates
Exercise 5: Streaking for Isolation & Spread Plates
Brian McLogan
How to determine the quadrant our constraint leaves us in
👉 Learn how to determine the quadrant given the constraint. The plane is divided into four equal parts called the quadrants with the region between the positive x-axis and the positive y-axis called the 1st quadrant having angles 0 to 90...
Catalyst University
Microbiology: Phenylethyl Alcohol (PEA) Agar
Microbiology: Phenylethyl Alcohol (PEA) Agar
Brian McLogan
Evaluating the composition of sine and cosine 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,...
Math Fortress
Calculus III: Three Dimensional Coordinate Systems (Level 2 of 10)
This video continues the exploration of a three dimensional Cartesian coordinate system. Basic equations of a two dimensional coordinate system are presented to illustrate the similarities to a three dimensional coordinate system. In...
Brian McLogan
Evaluate using the half angle formula for cosine
👉 Learn how to evaluate the Sine of an angle using the half-angle formula. The half-angle formula for Sine is helpful when you need to determine the exact value of function given an angle but cannot use a calculator or the angle is not...
Brian McLogan
What is a a degree
👉 Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...
Curated Video
Rotating Quadrilaterals: Changes and Similarities
In this video lesson, students will learn about rotating a quadrilateral and the changes that occur. The teacher explains concepts such as congruent line segments, congruent angles, and parallel lines. Students will also explore how the...
Brian McLogan
How to find the inverse of a trig value
👉 Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...