Instructional Video3:06
Brian McLogan

Graphing the Cosine Graph

12th - Higher Ed
👉 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...
Instructional Video9:32
Brian McLogan

Master Graphing Cosine with a change in the Period

12th - Higher Ed
Master Graphing Cosine with a change in the Period
Instructional Video4:29
Brian McLogan

Graphing the Cosine Function with a Change in Period and Vertical Transformation

12th - Higher Ed
👉 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...
Instructional Video5:40
Brian McLogan

Graphing Cosine with Reflection and Change in Period

12th - Higher Ed
👉 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...
Instructional Video7:11
Brian McLogan

How does the period affect the sine and cosine graph

12th - Higher Ed
👉 Learn the basics to graphing sine and cosine functions. The sine graph is a sinusiodal graph with x-intercepts at x = 2n*pi, maximun value of 1 at x = pi/2 + 2n*pi and minimum value of -1 at x = -pi/2 + 2n*pi. The cosine graph is a...
Instructional Video3:28
Brian McLogan

Finding the amplitude and period for a given graph

12th - Higher Ed
👉 Learn how to graph a sine function. To graph a sine 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 the...
Instructional Video5:37
Brian McLogan

Graphing the Cosine Graph with Vertical Shift

12th - Higher Ed
👉 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...
Instructional Video3:49
Brian McLogan

Solving an equation with cosine 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 Video1:44
Brian McLogan

How to use the cosine function to find the missing side of a 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 Video5:13
Brian McLogan

Learn How to Graph the Equation of Cosine

12th - Higher Ed
👉 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...
Instructional Video5:00
Brian McLogan

Graphing a Trigonometric Graph Cosine with a Horizontal Shift

12th - Higher Ed
👉 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...
Instructional Video10:37
Brian McLogan

Master Graphing the cosine function with a Vertical Translation

12th - Higher Ed
Master Graphing the cosine function with a Vertical Translation
Instructional Video4:15
Brian McLogan

How to evaluate the difference of two angles for cosine function

12th - Higher Ed
👉 Learn how to evaluate the cosine of an angle in radians using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Instructional Video2:27
Brian McLogan

Exam Review Determine the range of the cosine function with no numbers

12th - Higher Ed
👉 Learn the basics to graphing sine and cosine functions. The sine graph is a sinusiodal graph with x-intercepts at x = 2n*pi, maximun value of 1 at x = pi/2 + 2n*pi and minimum value of -1 at x = -pi/2 + 2n*pi. The cosine graph is a...
Instructional Video12:23
Brian McLogan

How to Graph the Cosine Function with Multiple Transformations

12th - Higher Ed
👉 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...
Instructional Video2:59
Brian McLogan

How to Identify All Important Information for the Graph of Cosine from Equation

12th - Higher Ed
👉 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...
Instructional Video7:52
Brian McLogan

Graphing Secant y = -1/2 sec(x) - Free math lesson

12th - Higher Ed
👉 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...
Instructional Video1:38
Brian McLogan

Evaluating the composition of 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,...
Instructional Video11:10
Brian McLogan

Master Graphing the cosine function with a Phase Shift

12th - Higher Ed
Master Graphing the cosine function with a Phase Shift
Instructional Video2:24
Brian McLogan

Write the transformations between two functions, cosine function

12th - Higher Ed
Write the transformations between two functions, cosine function
Instructional Video2:23
Brian McLogan

Evaluate trig functions using identities

12th - Higher Ed
Evaluate trig functions using identities
Instructional Video3:02
Brian McLogan

Evaluate the cosine inverse of 1/2

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 Video1:02
Brian McLogan

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

12th - Higher Ed
In this video series I show you how to use even and odd functions to evaluate trigonometric functions. Cosine and secant are our even functions where sine, tangent, cosecant and cotangent are our odd functions. cos(t) = 3/4. Find cos(-t)
Instructional Video5:49
Brian McLogan

4e Example 4 (Write the trig function given the transformations)

12th - Higher Ed
4e Example 4 (Write the trig function given the transformations)