Brian McLogan
Learn how to determine the sine cosine and tagent given a right triangle
👉 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...
Brian McLogan
10% Students Solve This Trig Equation Wrong (Including me!)
Once you have a solid idea for how to solve trigonometric equations it is time for a challenge. A problem that will test you knowledge and ability to apply algebraic concepts to trigonometric equations. This problem does exactly that.
Brian McLogan
Master Evaluating Sine and Cosine using Sum and Difference formulas
Master Evaluating Sine and Cosine using Sum and Difference formulas
Brian McLogan
Master evaluating the six trig functions, given a triangle with a missing side
Master evaluating the six trig functions, given a triangle with a missing side
Brian McLogan
Master composing inverse trig functions using right triangles
Master composing inverse trig functions using right triangles
Brian McLogan
4g Example 3 (Composition of Inverse Trig with right Triangles)
4g Example 3 (Composition of Inverse Trig with right Triangles)
Brian McLogan
Pre-Calculus - Simplify expressions using fundamental identities, tanx . cscx
In this video series I show you how to simplify trigonometric expressions by using identities. Trigonometric identities help us transform expressions so that we can simplify an expression to a singular term. We will apply reciprocal,...
Brian McLogan
What are the quotient 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
Master Simplifying trigonometric expressions by using factoring
Master Simplifying trigonometric expressions by using factoring
Brian McLogan
Master Solving for all of the solutions for trigonometric equations using inverse operations
Master Solving for all of the solutions for trigonometric equations using inverse operations
Brian McLogan
Master Learn how to find the direction of a vector
Master Learn how to find the direction of a vector
Brian McLogan
Sketch a triangle given a trig angle then determine remaining trig functions of angle
👉 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...
Brian McLogan
Evaluate the Inverse of Tangent
👉 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
Evaluate the tangent inverse without a calculator
Evaluate the tangent inverse without a calculator
Brian McLogan
Write the equation of a circle given center and tangent to the x axis
Learn how to write the equation of a circle given different pieces of information. When writing the equation of a circle you will be work from the general equation of a circle and plug in our given information such as the radius, center,...
Brian McLogan
Learn how to evaluate and graph for the tangent of an angle
👉 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
How to use trig identities and cofunction to evaluate trig functions
👉 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
How to use the unit circle to evaluate for cotangent when undefined
👉 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
Graphing the Tangent Function with a Phase Shift
👉 Learn all about graphing trigonometric functions. In this playlist, we will explore how to graph the sine, cosine, tangent, cotangent, cosecant and secant function. We will explore the characteristics of each graph as well as how to...
Brian McLogan
Graphing the Secant Function with a Change in Period and Reflection
👉 Learn how to graph a secant function. To graph a secant function, we start with the cosine graph by first determining the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase...
Brian McLogan
Evaluating for cosine using coterminal angles
👉 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
Evaluate a trigonometric angle when given in degrees minutes seconds
👉 Learn how to evaluate trigonometric functions using a calculator. To evaluate the trigonometric functions using a calculator, we just punch the necessary buttons on the calculator to obtain the result. While this may seem simple, most...
Brian McLogan
How to determine all of the solutions between 0 and 2pi for tangent of a triple angle
👉 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 use the subtraction of two angles
👉 Learn how to evaluate the tangent of an angle in degrees 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...