Instructional Video0:57
Brian McLogan

Write the sum and difference formula as a single trigonometric function

12th - Higher Ed
👉 Learn how to write a given sum or difference of two angles formula expression as a single sum/difference of angles trigonometric function. To do this, we first identify the trigonometric function for which its sum/difference formula is...
Instructional Video2:33
Brian McLogan

Take the derivative of a trigonometric function

12th - Higher Ed
👉 Learn how to find the derivative of a function using the product rule. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the variable x. The process of finding the...
Instructional Video10:13
Professor Dave Explains

Polar Coordinates and Graphing Polar Equations

9th - Higher Ed
An introduction to polar coordinates and how to graph polar equations.
Instructional Video9:44
Curated Video

C++ Standard Template Library in Practice - Modules

Higher Ed
The user wants to know how modules are going to work when C++20 is released.

• Introduce the new mat
erial
• Show examples of how it might be used i
n practice
• Show an example to reinforce the
t
opics covered
...
Instructional Video1:18
Brian McLogan

Math tutorial for converting an angle from radians to degrees

12th - Higher Ed
👉 Learn how to convert angles from radians to degrees. Recall that pi radians is equivalent to 180 degrees. Thus, when given an angle in radians, to convert the angle to degrees we multiply the given angle radians by the ratio 180/pi.
Instructional Video2:05
Brian McLogan

Learn How to Find the Amplitude Period and Frequency of Sine

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 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 Video3:31
Brian McLogan

Evaluate using trigonometric identities

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 Video2:25
Brian McLogan

Evaluate the cosine of an angle using period as an aide

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 Video7:47
Brian McLogan

Solve a trigonometric equation with the sum and difference formulas for sine

12th - Higher Ed
👉 Learn how to solve equations using the angles sum and difference identities. Using the angles sum and difference identities, we are able to expand the trigonometric expressions, thereby obtaining the values of the non-variable terms....
Instructional Video3:45
Brian McLogan

Why do we need the sum and difference formulas

12th - Higher Ed
👉 Learn all about the different trigonometric identities and how they can be used to evaluate, verify, simplify and solve trigonometric equations. The identities discussed in this playlist will involve the quotient, reciprocal,...
Instructional Video4:03
Brian McLogan

Using sum and difference formulas to verify a trigonometric identity

12th - Higher Ed
👉 Learn how to verify the sum and difference of two angles trigonometric identities using the sum/difference formulas. To verify an identity means to ascertain that the left-hand side is equal to the right-hand side of the equality sign....
Instructional Video6:10
Brian McLogan

Learn how to evaluate using the half angle formula of sine

12th - Higher Ed
👉 Learn how to evaluate the Sine of an angle using the half-angle formula. The half-angle formula for Sine is helpful when you need to determine the exact value of function given an angle but cannot use a calculator or the angle is not...
Instructional Video3:58
Brian McLogan

Learn how to evaluate for the tangent of an angle using half angles

12th - Higher Ed
👉 Learn how to evaluate the Sine of an angle using the half-angle formula. The half-angle formula for Sine is helpful when you need to determine the exact value of function given an angle but cannot use a calculator or the angle is not...
Instructional Video4:29
Brian McLogan

How to verify a trigonometric identity by simplifying a complex fraction

12th - Higher Ed
👉 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 Video4:33
Brian McLogan

How to evaluate the tangent of a double angle from a triangle

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 Video4:54
Brian McLogan

Half angle of sine given angle in degrees

12th - Higher Ed
👉 Learn how to evaluate the Sine of an angle using the half-angle formula. The half-angle formula for Sine is helpful when you need to determine the exact value of function given an angle but cannot use a calculator or the angle is not...
Instructional Video4:45
Brian McLogan

Evaluating for the sine of an angle using the difference formula

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 Video1:50
Brian McLogan

What are the sum and difference formulas for cosine

12th - Higher Ed
👉 Learn all about the different trigonometric identities and how they can be used to evaluate, verify, simplify and solve trigonometric equations. The identities discussed in this playlist will involve the quotient, reciprocal,...
Instructional Video1:26
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 Video1:07
Brian McLogan

Simplify expressions using fundamental identities

12th - Higher Ed
👉 Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the terms on the left-hand side of the equality sign is equal to the terms on the right-hand side. To...
Instructional Video1:44
Brian McLogan

Learn how to verify the identity

12th - Higher Ed
👉 Learn how to verify trigonometric identities involving the addition and subtraction of terms. To do this it is usually useful to convert the addition or subtraction terms in terms of one trigonometric function and then evaluate....
Instructional Video1:53
Brian McLogan

How to verify a basic trigonometric identity

12th - Higher Ed
👉 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 Video2:27
Brian McLogan

How to use the pythagorean identities to simplify a trigonometric 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...