Instructional Video3:49
Brian McLogan

Verifying trigonometric identities by converting to a monomial denominator

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 Video2:00
Brian McLogan

How to prove an identity two different ways

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 Video3:21
Brian McLogan

How to evaluate for the half angle of tangent

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 Video2:12
Brian McLogan

Divide two trig functions using simple 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 Video4:14
Brian McLogan

How to solve a trig equation by factoring with tangent and cosine

12th - Higher Ed
👉 Learn how to solve trigonometric equations by factoring out the GCF. When solving trigonometric equations involving the multiples of the same trigonometric function. It is very useful to collect similar trigonometric functions together...
Instructional Video16:21
Brian McLogan

Master Solving Trigonometric equations with multi angles between 0 and 2pi

12th - Higher Ed
Master Solving Trigonometric equations with multi angles between 0 and 2pi
Instructional Video10:18
Brian McLogan

4 TIPS For Simplifying Trig Identities

12th - Higher Ed
In this video I will cover my favoring tips I want every student to be able to understand when they are simplifying trigonometric expressions. I hope these videos can be helpful to you.
Instructional Video9:05
Brian McLogan

Master given a point, evaluate the six trigonometric functions

12th - Higher Ed
Master given a point, evaluate the six trigonometric functions
Instructional Video8:47
Brian McLogan

Master evaluate the six trigonometric functions using the unit circle

12th - Higher Ed
Master evaluate the six trigonometric functions using the unit circle
Instructional Video4:59
Brian McLogan

Master Evaluate the six trigonometric functions using the unit circle

12th - Higher Ed
Master Evaluate the six trigonometric functions using the unit circle
Instructional Video5:18
Brian McLogan

Solve a trigonometric equations with secant and tangent

12th - Higher Ed
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric identities, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video2:38
Brian McLogan

Learn how to evaluate an expression given the composition of two trig expressions

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 Video2:44
Brian McLogan

Given a trig equation, create a triangle to evaluate six trigonometric functions

12th - Higher Ed
👉 Learn how to evaluate the six trigonometric functions given the value of one of the trigonometric functions. When given the value of one of the trigonometric functions of an angle, we can evaluate the values of the other trigonometric...
Instructional Video2:36
Brian McLogan

Evaluate the expression for composition of cosine and arctan

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 Video1:45
Brian McLogan

Evaluate for theta between 0 and 2pi

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 Video2:02
Brian McLogan

Evaluate for theta between 0 and 2pi

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 Video3:14
Brian McLogan

Evaluate using Sum and Difference formulas

12th - Higher Ed
Evaluate using Sum and Difference formulas
Instructional Video3:46
Brian McLogan

Determine Theta when Given the Value of Cotangent, Cotθ=Coot(3)/3

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 Video2:26
Brian McLogan

Learn to evaluate for the secant of an angle without using a triangle

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 Video8:27
Brian McLogan

Graphing Cotangent with a Phase Shift

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 Video9:28
Brian McLogan

Solving an equation with multi angles

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 Video4:10
Brian McLogan

Pre-Calculus - Find the Double Angle of Tangent When Given a Triangle with Restrictions

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 Video3:36
Brian McLogan

Simplify the trig expression by Multiplying by the reciprocal function

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 Video2:38
Brian McLogan

Pre-Calculus - How to Evaluate the Double Angle for Tangent 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)...