Instructional Video3:18
Brian McLogan

Evaluate the six trigonometric functions given cosine

12th - Higher Ed
Evaluate the six trigonometric functions given cosine
Instructional Video5:02
Brian McLogan

Identify the Transformations and Asymptotes of Tangent Graph

12th - Higher Ed
👉 Learn how to graph a tangent function. To graph a tangent 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 (the...
Instructional Video0:49
Brian McLogan

What coordinates signs in each quadrant

12th - Higher Ed
👉 Learn about the points on the unit circle. A unit circle is a circle which radius is 1 and is centered at the origin in the cartesian coordinate system. To construct the unit circle we take note of the points where the unit circle...
Instructional Video4:18
Brian McLogan

Using co function identities find the value of an angle

12th - Higher Ed
👉 Learn how to evaluate trigonometric functions using trigonometric identities. Trigonometric identities are equalities that involve trigonometric functions. We will focus on the cofunction identities and even-odd identities. The...
Instructional Video9:12
Brian McLogan

Master Evaluating the double angle for Sine, Cosine and Tangent given an equation and constraint

12th - Higher Ed
Master Evaluating the double angle for Sine, Cosine and Tangent given an equation and constraint
Instructional Video5:44
Brian McLogan

4f Characteristics of Cotangent (Parts of the Cotangent Graph)

12th - Higher Ed
4f Characteristics of Cotangent (Parts of the Cotangent Graph)
Instructional Video4:04
Brian McLogan

What are even and odd trigonometric functions

12th - Higher Ed
In this video series we explore the definitions of trigonometric identities. It is very important when simplifying, verifying and solving trigonometric problems that we know the trig identities. We will explore the identities such as...
Instructional Video8:33
Brian McLogan

Master Solving Trigonometric word problems with bearings

12th - Higher Ed
Master Solving Trigonometric word problems with bearings
Instructional Video2:01
Brian McLogan

Use cofunction identities and trig identities to find the indicated trig functions

12th - Higher Ed
👉 Learn how to simplify basic trigonometric identities. To simplify basic trigonometric identities, it is usually more useful to convert all trigonometric functions to sine and cosine functions and then simplify. We will also explore the...
Instructional Video1:55
Brian McLogan

Simplifying a trigonometric expression using tangent

12th - Higher Ed
👉 Learn how to simplify trigonometric function of the sum or difference of two angles using the sum/difference formulas. To do this, we first use the unit circle and Pythagoras theorem to identify and obtain the values of the needed...
Instructional Video1:28
Brian McLogan

Simplifying a trigonometric expression by subtracting rational expressions

12th - Higher Ed
👉 Learn how to simplify rational identities involving addition and subtraction. To simplify rational identities involving addition and subtraction, first, we find the LCM of the denominators which most time is the product of the terms in...
Instructional Video3:21
Brian McLogan

Learn how to simplify trig identities by adding two terms

12th - Higher Ed
👉 Learn how to simplify rational identities involving addition and subtraction. To simplify rational identities involving addition and subtraction, first, we find the LCM of the denominators which most time is the product of the terms in...
Instructional Video3:25
Brian McLogan

How to verify an identity by combining two rational expressions

12th - Higher Ed
👉 Learn how to verify rational trigonometric identities involving the addition and subtraction of terms. 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...
Instructional Video3:49
Brian McLogan

Solving for tangent of a multiple angle

12th - Higher Ed
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video9:15
Brian McLogan

Find all the solutions of trig equation with cotangent

12th - Higher Ed
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video11:05
Brian McLogan

Graphing the Cotangent Function

12th - Higher Ed
👉 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 Video7:47
Brian McLogan

Math tutorial for evaluating the composition of the sine and tangent function

12th - Higher Ed
👉 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 Video6:03
Brian McLogan

How to use a triangle to evaluate for the six trig functions of 60 degrees

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

Evaluate the six trig functions given a point in fractions

12th - Higher Ed
In this video series I show you how to evaluate your trigonometric functions for any angle. When we have a point that is not on the unit circle we create a triangle to help us evaluate our trig functions and then create a right triangle...
Instructional Video5:22
Brian McLogan

Multiply and simplify using trigonometric identities

12th - Higher Ed
Multiply and simplify using trigonometric identities
Instructional Video7:44
Brian McLogan

How to evaluate a function for a point on a graph

12th - Higher Ed
👉 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 Video7:07
Brian McLogan

Graphing Cotangent with a Change in Period

12th - Higher Ed
👉 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 Video4:13
Brian McLogan

Learn how to evaluate the six trig functions of a 30 60 90 triangle

12th - Higher Ed
👉 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...
Instructional Video4:13
Brian McLogan

Evaluating an expression using the composition of trig functions

12th - Higher Ed
👉 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,...