Instructional Video8:23
Brian McLogan

Solve for all of the solutions of an equation when you have to factor

12th - Higher Ed
๐Ÿ‘‰ 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 Video3:46
Brian McLogan

Verifying trigonometric identities by multiplying by the reciprocal

12th - Higher Ed
๐Ÿ‘‰ Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the term on the left hand side of the equality sign is equal to the term on the right hand side. To...
Instructional Video3:52
Brian McLogan

Verifying trig identities by removing your denominator

12th - Higher Ed
๐Ÿ‘‰ Learn how to verify Pythagoras trigonometric identities. A Pythagoras trigonometric identity is a trigonometric identity of the form sin^2 (x) + cos^2 (x) or any of its derivations. To verify trigonometric expression means to verify...
Instructional Video3:53
Brian McLogan

Verifying identities using two different variables

12th - Higher Ed
๐Ÿ‘‰ Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the term(s) on the left hand side of the equality sign is equal to the term(s) on the right hand side. To...
Instructional Video1:27
Brian McLogan

Multiply two trig functions and simplify using the division property

12th - Higher Ed
๐Ÿ‘‰ 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 Video2:49
Brian McLogan

Evaluate the half angle of tangent using a triangle

12th - Higher Ed
๐Ÿ‘‰ 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 Video1:37
Brian McLogan

Evaluate an expression by simplifying the sum and difference formulas

12th - Higher Ed
๐Ÿ‘‰ 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 Video2:01
Brian McLogan

How to solve a trigonometric equation zero product property

12th - Higher Ed
๐Ÿ‘‰ 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 Video3:50
Brian McLogan

Find the angle given the tangent function and it's value

12th - Higher Ed
Find the angle given the tangent function and it's value
Instructional Video8:49
Brian McLogan

How to evaluate the six trig functions when given a point

12th - Higher Ed
๐Ÿ‘‰ 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 Video5:59
Brian McLogan

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

12th - Higher Ed
๐Ÿ‘‰ 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 Video2:03
Brian McLogan

How to evaluate the composition of tangent inverse and cotangent

12th - Higher Ed
๐Ÿ‘‰ 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,...
Instructional Video2:36
Brian McLogan

Evaluating the composition of Functions using Right Triangles

12th - Higher Ed
๐Ÿ‘‰ 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,...
Instructional Video3:25
Brian McLogan

Learn how to evaluate for the secant of - 150 degrees

12th - Higher Ed
๐Ÿ‘‰ 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...
Instructional Video1:15
Brian McLogan

Using period as an aide to evaluate for secant when the angle falls on the x axis

12th - Higher Ed
๐Ÿ‘‰ 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...
Instructional Video4:38
Brian McLogan

Learn to Graph the Cotangent Function with a Change in Period

12th - Higher Ed
๐Ÿ‘‰ Learn how to graph a cotangent function. To graph a cotangent function, we first determine the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from the parent function), the vertical shift...
Instructional Video13:02
Brian McLogan

Master Solving for all of the solutions for trigonometric equations

12th - Higher Ed
Master Solving for all of the solutions for trigonometric equations
Instructional Video5:53
Brian McLogan

Mistakes Students Make Co Function Identities

12th - Higher Ed
When Students are working on Trigonometric functions one of the first identities that trips them up is the co-function identities. In this video we will explore two mistakes I see students make with co-function identities.
Instructional Video23:33
Brian McLogan

4e definitions (Basics of Graphing Sine, Cosine, Tangent)

12th - Higher Ed
4e definitions (Basics of Graphing Sine, Cosine, Tangent)
Instructional Video12:13
Brian McLogan

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

12th - Higher Ed
Master Evaluating the half angle for sine, cosine, and tangent given an equation and constraint
Instructional Video8:25
Brian McLogan

Master given an equation and constraint, evaluate the six trig functions

12th - Higher Ed
Master given an equation and constraint, evaluate the six trig functions
Instructional Video8:34
Brian McLogan

4g Example 4 (Find the missing Angle of a triangle)

12th - Higher Ed
4g Example 4 (Find the missing Angle of a triangle)
Instructional Video2:49
Brian McLogan

Simplifying trig expressions by using the reciprocal 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 Video11:32
Brian McLogan

Verify Identities Compilation

12th - Higher Ed
๐Ÿ‘‰Learn how to verify 13 different trigonometric identities in under 1minute for each example. Check out the timestamps to skip to the problem/s you want to see first. 00:57 sinฮธsecฮธcotฮธ=1 01:47 sinฮธ/cscฮธ=sin^2ฮธ 02:28...