Brian McLogan
Pre-Calculus - Simplifying a trigonometric expression by using the even and odd identities
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...
Brian McLogan
Master evaluating trigonometric function using even odd identities
Master evaluating trigonometric function using even odd identities
Curated Video
Circle Geometry: Finding the Size of an Angle
This video shows how to solve two problems involving angles in a circle. It first shows how to find the size of an angle at the center of a circle when given an angle at the circumference. Part two of the problem shows how to find the...
Brian McLogan
How to write the sum formula of cosine as a single function and angle
👉 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
Learn how to evaluate the secant of an angle using the unit circle
👉 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
Simplify a rational trigonometric expression by factoring out the GCF
👉 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...
Brian McLogan
4e Example 4 (Write the trig function given the transformations)
4e Example 4 (Write the trig function given the transformations)
Brian McLogan
Master How to evaluate using the cofunction identities
Master How to evaluate using the cofunction identities
Brian McLogan
Master evaluate the six trigonometric functions using the unit circle
Master evaluate the six trigonometric functions using the unit circle
Curated Video
Solving Circle Angle Problems
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 2H Q20, which involves circle angles. Students will understand the properties of angles in circles and how to calculate their sizes. They will...
KnowMo
Trigonometry: Understanding the Tangent Function
The video is a lecture on the tangent function and its relation to trigonometry. The lecturer explains the importance of accurately labeling triangles and knowing the specific values of the tangent function at certain angles. They also...
Brian McLogan
Determine the derivative expanding a binomial to use the power rule
👉 Learn how to find the derivative of a function using the power rule. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the variable x. The process of finding the derivative...
Brian McLogan
Using triangles to evaluate for the difference formula of tangent
👉 Learn how to evaluate the secant of the sum or difference of two angles using the sum/difference formulas. To do this, we first use the Pythagoras theorem to obtain all the sides of the right triangle in the unit circle. Recall that...
KnowMo
Circle Theorems: Tangents, Alternate Segments, and Isosceles Triangles
The video provides an overview of different circle theorems and their applications in geometry. It starts with a review of four key theorems related to arrow, bow, quadrilateral, and semicircle shapes, and then moves on to discuss...
msvgo
Domain and Range of Trigonometric Functions
It explains how to find the domain and range of various trigonometric functions.
Brian McLogan
Learn how to find the derivative of tangent using the quotient rule
👉 Learn how to find the derivative of a function using the quotient rule. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the variable x. The process of finding the...
Brian McLogan
Using your trig and co function identities to evaluate
👉 Learn how to evaluate trigonometric functions using trigonometric identities. Trigonometric identities are equalities that involve trigonometric functions. We will focus on the cofunction identities and even-odd identities. The...
Brian McLogan
Learn to write the three trigonometric function ratios from a triangle
👉 Learn all about the trigonometry of right triangles. A right triangle is a triangle that has 90 degrees as one of its angles. The trigonometric identities of right triangles give us the relationship between the angles of a right...
Flipping Physics
A Problem to Review SOH CAH TOA and the Pythagorean Theorem
This video goes through a right triangle problem, finding the length of two sides and an angle. It is a basic review of SOH CAH TOA and the Pythagorean Theorem; very fundamental items in Physics.
Brian McLogan
How to find all the six trigonometric function given a triangle with a radical
👉 Learn how to evaluate the six trigonometric functions given a right triangle. A right triangle is a triangle with 90 degrees as one of its angles. A right triangle is made up of two legs, which formed the sides of the 90 degrees angle...
Flipping Physics
A Three Force Example of Newton's 2nd Law with Components
Finding the net force caused by three brothers fighting over a stuffed turtle. We break one vector in to components and find the components of the net force in order to solve for the net force.
Brian McLogan
Double angle of tangent given a triangle
👉 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)...
KnowMo
Circle Theorems: Recognizing and Applying Key Rules
This is an educational video that explains various circle theorems, which are important geometrical concepts related to angles and chords in a circle. The presenter goes through each theorem and provides examples and visual aids to help...