Instructional Video4:35
Brian McLogan

Subtracting two rational trig expression to simplify

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 Video6:03
Brian McLogan

Solve an equation using the double angle of sine

12th - Higher Ed
👉 Learn how to use the double angle identities to solve trigonometric equations. When we have equations with a double angle we will apply the identities to create an equation that can help solve by inverse operations or factoring. We...
Instructional Video6:02
Brian McLogan

Pre-Calculus - How to find the exact value by using the sum of two angles formula with cosine

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 Video4:30
Brian McLogan

Double angle of cosine using right triangle

12th - Higher Ed
👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...
Instructional Video5:15
Brian McLogan

Tutorial for verifying a trigonometric identity

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 Video3:49
Brian McLogan

Pre-Calculus - Using the Double Angle Formula to Evaluate for Cosine of an Angle and Triangle

12th - Higher Ed
👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...
Instructional Video4:35
Brian McLogan

Pre-Calculus - Solve an Equation Using the Double Angle Formula of Sine

12th - Higher Ed
👉 Learn how to use the double angle identities to solve trigonometric equations. When we have equations with a double angle we will apply the identities to create an equation that can help solve by inverse operations or factoring. We...
Instructional Video1:34
Brian McLogan

How to verify an identity using double angle formulas

12th - Higher Ed
👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...
Instructional Video1:51
Brian McLogan

Pre-Calculus - Simplifying a trigonometric expression with only two functions,tan(x)*cos(x)

12th - Higher Ed
In this video playlist you will learn all about Analytic Trigonometry. We will start by simplifying trigonometric expressions using trigonometric identities such as the quotient, reciprocal,Pythagorean Identies as well basic algebraic...
Instructional Video12:19
Brian McLogan

Master Verifying an identity using the double angle formulas

12th - Higher Ed
Master Verifying an identity using the double angle formulas
Instructional Video9:04
Brian McLogan

Solving a trigonometric equation and determining all the solutions between 0 and 2pi

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 Video5:09
Brian McLogan

Evaluating for the Tangent of a Double Angle Using the Formula

12th - Higher Ed
👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...
Instructional Video9:14
Brian McLogan

Solve a trig equation with a double angle

12th - Higher Ed
👉 Learn how to use the double angle identities to solve trigonometric equations. When we have equations with a double angle we will apply the identities to create an equation that can help solve by inverse operations or factoring. We...
Instructional Video4:53
Brian McLogan

Pre-Calculus - Learn How To Evaluate the Double Angle of Sine

12th - Higher Ed
👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...
Instructional Video1:51
Brian McLogan

Verifying an identity using the sum and difference formulas

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 Video1:39
Brian McLogan

Evaluate the double angle of tangent given a triangle

12th - Higher Ed
👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...
Instructional Video7:10
Brian McLogan

Master Evaluating the double angle for Sine, Cosine and Tangent from a right triangle

12th - Higher Ed
Master Evaluating the double angle for Sine, Cosine and Tangent from a right triangle
Instructional Video6:43
Brian McLogan

Math tutorial for using the sum of two angles formula of sine for 105 degrees

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 Video2:25
Brian McLogan

How To Evaluate for the Double Angle of Tangent

12th - Higher Ed
👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...
Instructional Video1:10
Brian McLogan

Evaluate the double angle for cosine using a triangle

12th - Higher Ed
👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...
Instructional Video6:13
Brian McLogan

Find the exact value using difference formula of two angles with 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 Video5:51
Brian McLogan

Master Evaluating the double angle for Sine, Cosine and Tangent, given an angle and constraint ex 3

12th - Higher Ed
Master Evaluating the double angle for Sine, Cosine and Tangent, given an angle and constraint ex 3
Instructional Video10:45
Brian McLogan

Pre-Calculus - Using the Double Angle of Tangent to Solve an Equation

12th - Higher Ed
👉 Learn how to use the double angle identities to solve trigonometric equations. When we have equations with a double angle we will apply the identities to create an equation that can help solve by inverse operations or factoring. We...
Instructional Video1:25
Brian McLogan

Given a triangle evaluate the double angle

12th - Higher Ed
👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...