Brian McLogan
Law of Sines when no triangle exists SSA
š Learn how to determine if a given SSA triangle has 1, 2 or no possible triangles. Given two adjacent side lengths and an angle opposite one of them (SSA or ASS), then there are 3 possible cases: there can be 1 solution, 2 solutions and...
Brian McLogan
Evaluate the six trig functions given cosine ratio using a triangle
š 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
Using composition of inverses using triangles
š 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
Review how to evaluate trig functions when given a triangle
š Learn how to evaluate the six trigonometric functions given a right triangle. A right triangle is a triangle with 90 degrees as one of its angles. A right triangle is made up of two legs, which formed the sides of the 90 degrees angle...
Brian McLogan
Learn how to evalute the six trig functions given a trig ratio
š 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
How to evaluate the composition in terms of x
š 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
Tutorial for evaluating tangent of an angle on the unit circle first quadrant
š 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
Learn how to find the domain and range including the vertex and axis of symmetry
š Learn how to graph quadratic equations in vertex form. 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
Master Evaluating an expression using half angle formulas given an equation and constraint
Master Evaluating an expression using half angle formulas given an equation and constraint
Brian McLogan
Simple way to evaluate trigonometric functions using the Unit Circle
Looking for an easy way to remember the unit circle or just use it to evaluate trigonometric functions. If you are in a pinch of time here is a brief explanation of how I taugh my Algebra 2 students.
Brian McLogan
Converting an equation to vertex form then determine the vertex
š Learn how to identify the vertex of a parabola by completing the square. A parabola is the shape of the graph of a quadratic equation. A quadratic equation can be written in the standard form (i.e. in the form y = ax^2 + bx + c) or it...
Brian McLogan
Learn how to graph an absolute value equation with a horizontal transformation
š Learn about graphing absolute value equations. An absolute value equation is an equation having the absolute value sign and the value of the equation is always positive. The graph of the parent function of an absolute value equation is...
Curated Video
Prepositions Of Place & Precise Prepositional Phrases - Learn To Speak English Like A Native
Learn prepositions of place and precise prepositional phrases. Learn to speak English like a native with Anna English. Prepositions are a key part of this intermediate English course. In addition to learning prepositions of place in, at,...
Professor Dave Explains
Practice Problem: Pendulum Velocity
Now you're really getting advanced with your building skills. Check out this pendulum. It's a good thing we know about potential energy and kinetic energy, because that will allow us to calculate the velocity of the pendulum at any...
Curated Video
Subtracting Rational Numbers Fractions (Example)
Subtract two rational numbers in fraction form.
JJ Medicine
Malate-Aspartate Shuttle
Lesson on the malate-aspartate shuttle explaining the purpose and mechanism of the shuttle. The malate aspartate shuttle is important for transporting NADH, produced from glycolysis, into the mitochondria for ATP production from the...
Brian McLogan
Solving an equation with parenthesis ex5, 8nā(2nā3)=12
š Learn how to solve multi-step equations with parenthesis. An equation is a statement stating that two values are equal. A multi-step equation is an equation which can be solved by applying multiple steps of operations to get to the...
Brian McLogan
Graph a circle given in standard form
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...
Curated Video
KS2 Primary Maths Age 9-13 - Number Problem: - Explained
SchoolOnline's Primary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 9-13, they cover every key topic and sub topic covered in Maths in clear and easy to follow steps. This video looks at...
Brian McLogan
Learn how to identify the focus, directrix and vertex
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
How to Find the Angle Given a Trigonometric Equation
š 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
Evaluate the six trigonometric functions for a value and constraint
š 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...