Instructional Video6:06
Brian McLogan

Why do we add intervals of pi halves to our solution

12th - Higher Ed
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video3:19
Brian McLogan

Rationalize the denominator to simplify a trig expression

12th - Higher Ed
👉 Learn how to simplify trigonometric expressions by factoring, expansion, and re-grouping. To simplify a trigonometric identity means to reduce the identity to the simplest form it can take which may be a number or a simple...
Instructional Video3:08
Brian McLogan

Evaluating the difference of two angles for sine

12th - Higher Ed
👉 Learn all about sum and difference angle identities. In this video playlist, you will learn how to evaluate, solve, simplify and verify using sum and difference angle identities. We will evaluate using angles not found on the unit...
Instructional Video4:26
Brian McLogan

Solving trig equations with no constraints

12th - Higher Ed
👉 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...
Instructional Video1:50
Brian McLogan

Solving a trigonometric equation with cosine equal to negative one

12th - Higher Ed
👉 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...
Instructional Video6:46
Brian McLogan

How to solve a trig equation with tangent on both sides

12th - Higher Ed
👉 Learn how to solve trigonometric equations by factoring out the GCF. When solving trigonometric equations involving the multiples of the same trigonometric function. It is very useful to collect similar trigonometric functions together...
Instructional Video3:15
Brian McLogan

How to find all of the solutions to an equation as well as within the unit circle

12th - Higher Ed
👉 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...
Instructional Video11:27
Brian McLogan

How to apply inverse operations to find all of the solutions to an equation with cosine

12th - Higher Ed
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video4:44
Brian McLogan

Find all the solutions to a trig equation with two different functions

12th - Higher Ed
👉 Learn how to solve trigonometric equations using the zero product property. The zero product property states that when the product of two quantities is equal to 0, then either of the quantities is zero. When solving factored...
Instructional Video3:41
Brian McLogan

Given the Value of Cotangent Find the Angle Measurement

12th - Higher Ed
👉 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...
Instructional Video15:53
Brian McLogan

What you need to know to evaluate without the unit circle

12th - Higher Ed
In this video I will show you step by step what you need to know evaluate using the unit circle, what it is and why we do it.
Instructional Video12:20
Brian McLogan

Master Evaluating using the half angle formulas given an equation and constraint

12th - Higher Ed
Master Evaluating using the half angle formulas given an equation and constraint
Instructional Video12:13
Brian McLogan

Master Evaluating the half angle for sine, cosine, and tangent given an angle

12th - Higher Ed
Master Evaluating the half angle for sine, cosine, and tangent given an angle
Instructional Video2:53
Brian McLogan

Pre-Calculus - Learn how to simplify a trigonometric expression using cofunction identities

12th - Higher Ed
In this video series I will show you how to simplify trigonometric expressions. We will simplify these expression to either a single trigonometric term or number. To simplify we will use trigonometric identities such as Pythagorean,...
Instructional Video7:30
Brian McLogan

One Simple Trick To Help Solve This Equation

12th - Higher Ed
Students often overlook how to solve trigonometric equations using inverse operations. However once the math gets difficult they get stuck. Use this simple little trick to help you solve any trigonometric equation
Instructional Video15:04
Brian McLogan

Whats the difference in their solutions and how you find it?

12th - Higher Ed
What is the difference between solving a trigonometric equation when the angle is just theta, a half angle or a double angle. In this video we will explore not only the algebraic process but the graphical approach.
Instructional Video6:10
Brian McLogan

Learn to evaluate the half angle for cosine

12th - Higher Ed
👉 Learn how to evaluate the tangent of a half-angle. When given the value of the tangent of an angle, we can evaluate the tangent of half the angle using the tangent half-angle formula. When the value of any other trigonometric function...
Instructional Video15:58
Brian McLogan

Ambiguous case law of sines two triangles SSA

12th - Higher Ed
👉 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,...
Instructional Video2:01
Brian McLogan

How to solve a trigonometric equation zero product property

12th - Higher Ed
👉 Learn how to solve trigonometric equations using the zero product property. The zero product property states that when the product of two quantities is equal to 0, then either of the quantities is zero. When solving factored...
Instructional Video5:05
Brian McLogan

How to solve a trig equation with sine on both sides

12th - Higher Ed
👉 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...
Instructional Video8:49
Brian McLogan

How to evaluate the six trig functions when given a point

12th - Higher Ed
👉 Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...
Instructional Video5:39
Brian McLogan

How does domain restrictions affect finding the inverse of sine

12th - Higher Ed
👉 Learn how to evaluate inverse trigonometric functions. The inverse trigonometric functions are used to obtain theta, the angle which yielded the trigonometric function value. It is usually helpful to use the calculator to calculate the...
Instructional Video5:59
Brian McLogan

Given the Value of Cotangent on the Unit Circle Find the Angle Measurement

12th - Higher Ed
👉 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...
Instructional Video3:33
Brian McLogan

Learn How to Find the Angle Given the Inverse Cosine of a Value

12th - Higher Ed
👉 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...