Brian McLogan
Evaluate the double angle of tangent using 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
Learn how to simplify an expression using the rules of exponents
👉 Learn how to simplify expressions using the product rule and the negative exponent rule of exponents. The product rule of exponents states that the product of powers with a common base is equivalent to a power with the common base and...
Brian McLogan
Learn How to Graph Cosine with a Change in Period
👉 Learn how to graph a cosine function. To graph a cosine function, we first determine the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from...
Brian McLogan
How to graph secant and label the parts
👉 Learn how to graph a secant function. To graph a secant function, we start with the cosine graph by first determining the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase...
Brian McLogan
Review how to evaluate trig functions when given a triangle
👉 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
👉 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
Finding the Inverse Using Tangent
👉 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 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
Dividing two rational expressions
👉 Learn how to simplify complex fractions. To simplify complex fractions having a fraction as the numerator and another fraction as the denominator we first factor the expressions that can be factored and then we multiply the fraction in...
Brian McLogan
Master Solving trigonometric equations with two different trig functions
Master Solving trigonometric equations with two different trig functions
Brian McLogan
How to use even and odd identities to solve a trig equation with secant
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric identities, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Brian McLogan
How to graph the reciprocal function and identify the characteristics
👉 Learn how to graph the reciprocal function. A reciprocal function is a rational function whose expression of the variable is in the denominator. A reciprocal function is of the form f(x) = a / (x + h) + k, where h is the vertical...
Brian McLogan
Find the value of c that completes the square with fractions
👉 Learn how to find the value c that completes the square in a quadratic expression. A quadratic expression is an expression whose highest exponent in the variable(s) is 2. It is of the form ax^2 + bx + c where a, b, and c are constants....
Brian McLogan
Master graphing cosecant and secant with a change in period
Master graphing cosecant and secant with a change in period
Brian McLogan
Simplifying a complex rational expression by multiplying by the reciprocal
👉 Learn how to simplify complex fractions. To simplify complex fractions having a fraction as the numerator and another fraction as the denominator we first factor the expressions that can be factored and then we multiply the fraction in...
Brian McLogan
Learn how to simplify division of a rational expression by factoring
Learn how to multiply rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. To multiply two rational expressions, we use the...
Brian McLogan
Dividing two rational expressions
👉 Learn how to simplify complex fractions. To simplify complex fractions having a fraction as the numerator and another fraction as the denominator we first factor the expressions that can be factored and then we multiply the fraction in...
Brian McLogan
Learn how to rewrite an expression with a negative fraction power in denominator
Learn how to evaluate numbers raised to rational powers. When given a number raised to a rational power, we take the nth root of the number where n is the number in the denominator of the rational power, then we raise the result to a...
The Business Professor
Methods for Allocating Costs Among Support Departments
This video explains the different methods for allocating costs among support departments within an organization - the direct method, the reciprocal method, and the sequential method. These methods help organizations effectively...
Curated Video
Splitting Fudge (Dividing a unit fraction by a whole number using the relationship between multiplication and division)
Lucca and his four friends went to a fair. There, Lucca purchased a one fourth pound fudge. If he plans to split the fudge evenly between his 4 friends and himself, how much fudge will each person get?
Curated Video
Zero and Negative Exponents: Evaluating Expressions
This lesson on zero and negative exponents teaches students how to evaluate expressions involving numbers with zero as an exponent and negative integer exponents. The teacher explains the definition of zero and negative exponents and...
Curated Video
Rewrite Division to Identify an Equivalent Expression
In this short video we will answer a standardized math test question where we are asked to identify the equivalent expression. We will review how to divide by a fraction using the rule multiply by the reciprocal or also known as keep,...