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Brian McLogan
Evaluate for the trig identity Sine
👉 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 All Zeros of a Polynomial Using Rational Zero Test and Synthetic
👉 Learn how to find all the zeros of a polynomial that cannot be easily factored. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The zeros...
Brian McLogan
Learn how to determine the position when the particle is at rest calculator
👉 Learn how to solve particle motion problems. Particle motion problems are usually modeled using functions. Now, when the function modeling the position of the particle is given with respect to the time, we find the speed function of...
Brian McLogan
Master How to determine the angle of a vector
Master How to determine the angle of a vector
Brian McLogan
Solving and graphing a function with rational asymptotes
👉 Learn how to graph a rational function. To graph a rational function, we first find the vertical and horizontal or slant asymptotes and the x and y-intercepts. After finding the asymptotes and the intercepts, we graph the values and...
Brian McLogan
Simplifying imaginary numbers to a higher power
In this video series I show you how to simplify complex numbers to a higher power. We notice that i raised to a power repeats itself after the 4th degree. So we will divide the power in the problem by 4 and use the remainder to simplify...
Curated Video
Approximating Square Roots Using Tables and Number Lines
In this lesson, the teacher demonstrates two methods for approximating square roots without a calculator: using a table and using a number line. The teacher provides examples and walks through the steps for each method, allowing...
Curated Video
Solving Equations Using Square Roots (Example)
Solve equations that have a squared variable by taking the square root of both sides of the equation, resulting in two possible solutions.
Curated Video
Calculating Concentration Ratios in Oligopoly Markets
This video is about calculating concentration ratios in a market, especially in an oligopoly. The video explains what concentration ratios are, how they help understand the market structure, and how to calculate them for different...
Curated Video
Math and Mentalism: Mind-Blowing Prediction Tricks Revealed
In this video, the teacher demonstrates two math-based mentalism tricks. The first trick involves a series of mathematical operations that lead the participant to choose specific answers, such as a country, animal, and color. The second...
Curated Video
TypeScript for Beginners - Aliasing Class Modules
This video demonstrates how to create an alias of the class modules.<br/<br/>>
This clip is from the chapter "Modules" of the series "TypeScript for Beginners".This section introduces you to modules and explains how to use them.
This clip is from the chapter "Modules" of the series "TypeScript for Beginners".This section introduces you to modules and explains how to use them.
Brian McLogan
Evaluate inverse cosecant without a calculator
👉 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 composition of sine and sine 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
Learn how to convert an angle in DMS form to a decimal
👉 Learn how to convert angles from DMS forms to decimal forms. DMS means Degree, Minutes, and Seconds. Minutes is represented by a single apostrophe (') while seconds is represented with double apostrophe ("). 60 seconds = 1 minute and...
Brian McLogan
Ambiguous case, law of sines, two triangles
👉 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,...
Brian McLogan
Evaluate the limit of the reciprocal function with an asymptote
Evaluate the limit of the reciprocal function with an asymptote
Brian McLogan
How to Apply the Rational Zero Test & Find the Remaining Zeros
👉 Learn how to find all the zeros of a polynomial that cannot be easily factored. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The zeros...
Brian McLogan
How To Evaluate a Logarithmic Expression Using Negative Exponents
👉 Learn how to evaluate logarithms with fractions. Recall that the logarithm of a number says a to the base of another number say b is a number say n which when raised as a power of b gives a. (i.e. log [base b] (a) = n means that b^n =...
Brian McLogan
Master Graphing Exponential Equations with reflections determine domain range
Master Graphing Exponential Equations with reflections determine domain range
Brian McLogan
Pre-Calculus - Using Properties of Logs to Simplify a Logarithmic Expression Without a Calculator
👉 Learn how to evaluate logarithms with radicals. Recall that the logarithm of a number says a to the base of another number say b is a number say n which when raised as a power of b gives a. (i.e. log [base b] (a) = n means that b^n =...
Brian McLogan
Pre-Calculus - Evaluating a Natural Logarithm when Given a Root
👉 Learn how to evaluate natural logarithms. Recall that the logarithm of a number says a to the base of another number say b is a number say n which when raised as a power of b gives a. (i.e. log [base b] (a) = n means that b^n = a)....
Brian McLogan
Pre-Calculus - Evaluate a Simple Log With an Exponent
👉 Learn how to evaluate basic logarithms. Recall that the logarithm of a number says a to the base of another number say b is a number say n which when raised as a power of b gives a. (i.e. log [base b] (a) = n means that b^n = a). Thus,...
Brian McLogan
Tutorial - Evaluate Logarithm with a Base 4 of 8 Without a Calculator
👉 Learn how to evaluate basic logarithms. Recall that the logarithm of a number says a to the base of another number say b is a number say n which when raised as a power of b gives a. (i.e. log [base b] (a) = n means that b^n = a). Thus,...
Brian McLogan
Learn how to find the percentage of a population
In this video playlist you will review problems you are likely to encounter when taking the ACT and SAT