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Brian McLogan
Solve for all of the solutions of an equation when you have to factor
๐ 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...
Brian McLogan
Verifying trigonometric identities by multiplying by the reciprocal
๐ 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...
Brian McLogan
Verifying trig identities by removing your denominator
๐ Learn how to verify Pythagoras trigonometric identities. A Pythagoras trigonometric identity is a trigonometric identity of the form sin^2 (x) + cos^2 (x) or any of its derivations. To verify trigonometric expression means to verify...
Brian McLogan
Verifying identities using two different variables
๐ 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...
Brian McLogan
Multiply two trig functions and simplify using the division property
๐ 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...
Brian McLogan
Evaluate the half angle of tangent using a triangle
๐ 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...
Brian McLogan
Evaluate an expression by simplifying the sum and difference formulas
๐ 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...
Brian McLogan
How to solve a trigonometric equation zero product property
๐ Learn how to solve trigonometric equations using the zero product property. The zero product property states that when the product of two quantities is equal to 0, then either of the quantities is zero. When solving factored...
Brian McLogan
Find the angle given the tangent function and it's value
Find the angle given the tangent function and it's value
Brian McLogan
How to evaluate the six trig functions when given a point
๐ Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...
Brian McLogan
Given the Value of Cotangent on the Unit Circle Find the Angle Measurement
๐ 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...
Brian McLogan
How to evaluate the composition of tangent inverse and cotangent
๐ 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,...
Brian McLogan
Evaluating the composition of Functions using Right Triangles
๐ 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,...
Brian McLogan
Learn how to evaluate for the secant of - 150 degrees
๐ 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...
Brian McLogan
Using period as an aide to evaluate for secant when the angle falls on the x axis
๐ 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...
Brian McLogan
Learn to Graph the Cotangent Function with a Change in Period
๐ 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...
Brian McLogan
Master Solving for all of the solutions for trigonometric equations
Master Solving for all of the solutions for trigonometric equations
Brian McLogan
Mistakes Students Make Co Function Identities
When Students are working on Trigonometric functions one of the first identities that trips them up is the co-function identities. In this video we will explore two mistakes I see students make with co-function identities.
Brian McLogan
4e definitions (Basics of Graphing Sine, Cosine, Tangent)
4e definitions (Basics of Graphing Sine, Cosine, Tangent)
Brian McLogan
Master Evaluating the half angle for sine, cosine, and tangent given an equation and constraint
Master Evaluating the half angle for sine, cosine, and tangent given an equation and constraint
Brian McLogan
Master given an equation and constraint, evaluate the six trig functions
Master given an equation and constraint, evaluate the six trig functions
Brian McLogan
4g Example 4 (Find the missing Angle of a triangle)
4g Example 4 (Find the missing Angle of a triangle)
Brian McLogan
Simplifying trig expressions by using the reciprocal identities
In this video series I will show you how to simplify trigonometric expressions. We will simplify these expression to either a single trigonometric term or number. To simplify we will use trigonometric identities such as Pythagorean,...
Brian McLogan
Verify Identities Compilation
๐Learn how to verify 13 different trigonometric identities in under 1minute for each example. Check out the timestamps to skip to the problem/s you want to see first. 00:57 sinฮธsecฮธcotฮธ=1 01:47 sinฮธ/cscฮธ=sin^2ฮธ 02:28...