Brian McLogan
Master Evaluating the half angle for sine, cosine, and tangent given an angle
Master Evaluating the half angle for sine, cosine, and tangent given an angle
Brian McLogan
Pre-Calculus - Learn how to simplify a trigonometric expression using cofunction 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
One Simple Trick To Help Solve This Equation
Students often overlook how to solve trigonometric equations using inverse operations. However once the math gets difficult they get stuck. Use this simple little trick to help you solve any trigonometric equation
Brian McLogan
Whats the difference in their solutions and how you find it?
What is the difference between solving a trigonometric equation when the angle is just theta, a half angle or a double angle. In this video we will explore not only the algebraic process but the graphical approach.
Brian McLogan
Learn to evaluate the half angle for cosine
👉 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
Ambiguous case law of sines two triangles SSA
👉 Learn how to determine if a given SSA triangle has 1, 2 or no possible triangles. Given two adjacent side lengths and an angle opposite one of them (SSA or ASS), then there are 3 possible cases: there can be 1 solution, 2 solutions,...
Brian McLogan
How to solve a trigonometric equation zero product property
👉 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
How to solve a trig equation with sine on both sides
👉 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...
Brian McLogan
How to evaluate the six trig functions when given a point
👉 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
How does domain restrictions affect finding the inverse of sine
👉 Learn how to evaluate inverse trigonometric functions. The inverse trigonometric functions are used to obtain theta, the angle which yielded the trigonometric function value. It is usually helpful to use the calculator to calculate the...
Brian McLogan
Given the Value of Cotangent on the Unit Circle Find the Angle Measurement
👉 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
Learn How to Find the Angle Given the Inverse Cosine of a Value
👉 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
👉 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
Evaluate the Inverse of the Sine Function
👉 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
Composition of inverses using a triangle with variables
👉 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
Using period as an aide to evaluate for secant when the angle falls on the x axis
👉 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
Master Solving for all of the solutions for trigonometric equations
Master Solving for all of the solutions for trigonometric equations
Brian McLogan
Master Solving a trigonometric equation using double angle formulas
Master Solving a trigonometric equation using double angle formulas
Brian McLogan
4e definitions (Basics of Graphing Sine, Cosine, Tangent)
4e definitions (Basics of Graphing Sine, Cosine, Tangent)
Brian McLogan
What I wish I knew about compound angles in trig
What I wish I knew about compound angles in trig
Brian McLogan
Solve trig equations with cotangent and sine
👉 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
How to solve for the half angle of sine
👉 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...
Brian McLogan
How to solve an equation with the multiple angle of secant
👉 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...