Brian McLogan
Graphing Secant y = -1/2 sec(x) - Free math lesson
👉 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
Graphing a Trigonometric Graph Sine with a Reflection
👉 Learn how to graph a sine function. To graph a sine function, we first determine the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from the...
Brian McLogan
Learn How to Graph Cotangent Function with a Reflection Over the X Axis
👉 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
How to graph a radian
👉 Learn how to sketch angles in terms of pi. An angle is the figure formed by two rays sharing the same endpoint. Angle is measured in radians or in degrees. One complete revolution about a point is equivalent to 2pi radians and 360...
Brian McLogan
How to Find the Amplitude, Period, Phase Shift and Vertical Translation of Sine
👉 Learn how to graph a sine function. To graph a sine function, we first determine the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from the...
Brian McLogan
Learn step by step to verify the identity
👉 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
Simplify a trig expression by multiplying a cosine
👉 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
Learn how to verify a simple trigonometric identity
👉 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
What you need to know to evaluate without the unit circle
In this video I will show you step by step what you need to know evaluate using the unit circle, what it is and why we do it.
Brian McLogan
Master how to determine theta in radians when given arc length and the radius
Master how to determine theta in radians when given arc length and the radius
Brian McLogan
Pre Calc unit 3 Find the missing side of a right triangle using sine
Pre Calc unit 3 Find the missing side of a right triangle using sine
Brian McLogan
Master Simplifying rational trigonometric expressions
Master Simplifying rational trigonometric expressions
Brian McLogan
Solve for all of the solutions of an equation when you have to factor
👉 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
Understanding multiplying trig functions
👉 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
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
Learn to Graph the Cotangent Function with a Change in Period
👉 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
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
Master given an equation and constraint, evaluate the six trig functions
Master given an equation and constraint, evaluate the six trig functions
Brian McLogan
Master how to determine the arc length with given theta and the radius
Master how to determine the arc length with given theta and the radius
Brian McLogan
Exam Review Determine which function is undefined
Exam Review Determine which function is undefined
Brian McLogan
Find the Values of Theta in Degrees and Radians in First Quadrant
👉 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
Identify the transformations of sine
👉 Learn how to graph a sine function. To graph a sine function, we first determine the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from the...
Brian McLogan
How to Find All of the Transformations for the Graph of Sine
👉 Learn how to graph a sine function. To graph a sine function, we first determine the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from the...