Brian McLogan
Solving trigonometric equations
👉 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...
Curated Video
Exploring the Equation of a Circle Using the Pythagorean Theorem
In this video, students will learn how to find the equation of a circle using the Pythagorean theorem. The lesson explores the definition of a circle as the set of points equidistant from a center, and demonstrates how a right triangle...
Brian McLogan
How to find the estimate of an angle in radians - Help me on math
👉 Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...
Brian McLogan
Learn how to solve a simple trig equation
👉 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 find the inverse of a trig 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
What are your three basic fundamental trigonometric identities
👉 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,...
Brian McLogan
Why do we get the coordinates of a unit circle - Free math help - Live lessons
👉 Learn about the points on the unit circle. A unit circle is a circle which radius is 1 and is centered at the origin in the cartesian coordinate system. To construct the unit circle we take note of the points where the unit circle...
Brian McLogan
Determining where a point is on the unit circle
👉 Learn how to find the point on the unit circle given the angle of the point. A unit circle is a circle whose radius is 1. Given an angle in radians, to find the coordinate of points on the unit circle made by the given angle with the...
Brian McLogan
Master Verifying Trigonometric Identities using the Sum and Difference formulas
Master Verifying Trigonometric Identities using the Sum and Difference formulas
Brian McLogan
Find the scalar that gives the vectors magnitude to 1
Find the scalar that gives the vectors magnitude to 1
Brian McLogan
What are the definitions of trigonometric functions on the unit circle
👉 Learn about the trigonometric functions using the unit circle. The trigonometric function of an angle is the value of the trigonometric functions of sine, cosine, tangent, cosecant, secant and cotangent of that angle. To use the unit...
Brian McLogan
Evaluating Inverse Trigonometric Functions
👉 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 evaluate using the sum formula of two angles cosine
👉 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...
Brian McLogan
Learn how to find the missing side lengths of a 30 60 90 triangle
👉 Learn about the special right triangles. A special right triangle is a right triangle having angles of 30, 60, 90, or 45, 45, 90. Knowledge of the ratio of the length of sides of a special right triangle enables us to solve for any...
Professor Dave Explains
Inverse Trigonometric Functions
An explanation of inverse trigonometric functions.
Professor Dave Explains
Formulas for Trigonometric Functions: Sum/Difference, Double/Half-Angle, Prod-to-Sum/Sum-to-Prod
An overview of various formulas relating to trigonometric functions.
Curated Video
Trigonometric Transformations and Graphs: Finding Periods and Defining Symmetries
In this lecture video, the speaker goes in-depth on trigonometric transformations, discussing how to define the period of trigonometric graphs and how to transform those graphs. They start with a recap of the unit circle and trig graphs...
msvgo
Trigonometric Ratios of Allied Angles
It explains how to find the values of trigonometric functions for the allied angles i.e angles whose sum or difference is a multiple of 90.
Brian McLogan
Tips To Graph Trigonometric Functions
In this video, I will help you learn how to understand and graph the sine, cosine, tangent, cotangent, cosecant, and secant functions with their initial period
Brian McLogan
What is the unit circle and how do you find points on the unit circle
👉 Learn about the points on the unit circle. A unit circle is a circle which radius is 1 and is centered at the origin in the cartesian coordinate system. To construct the unit circle we take note of the points where the unit circle...
Brian McLogan
Where do the basic trigonometric identities come from
👉 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,...
Brian McLogan
What is the standard unit vector
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...