Brian McLogan
How to use the unit circle to evaluate for cotangent when undefined
π 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 reciprocal identity with a removable discontinuity
π Learn how to graph the reciprocal function. A reciprocal function is a rational function whose expression of the variable is in the denominator. A reciprocal function is of the form f(x) = a / (x + h) + k, where h is the vertical...
Brian McLogan
Find the inverse of a square root function and sketch it's graph
π Learn how to find the inverse of a function. The inverse of a function is a function that reverses the "effect" of the original function. One important property of the inverse of a function is that when the inverse of a function is...
Brian McLogan
Learn how to identify the transformations of a cube root function
π Learn how to graph the cube root function. Like other functions, to graph the cube root function, we first graph the parent function (i.e the graph of f(x) = cube root of x) and then we apply the required transformations to the parent...
Brian McLogan
Finding the vertex and x-intercepts of a quadratic function
π Learn how to graph a quadratic equation in standard form. To do this we will explore multiple methods such as the intercept method, identifying the vertex, axis of symmetry and identifying points on the graph using a table. Once you...
Curated Video
Extending the Empirical Rule: Finding Percentages within a Normal Distribution
In this video, the teacher explains how to use the empirical rule to find the percentage of data that falls within a certain interval in a normal distribution. The teacher provides examples and tips on how to apply this rule effectively.
Brian McLogan
Learn how to evaluate for sine using coterminal and reference angles
π 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 determine the parts of a hyperbola and then sketch the graph
Learn how to graph hyperbolas. To graph a hyperbola from the equation, we first express the equation in the standard form, that is in the form: (x - h)^2 / a^2 - (y - k)^2 / b^2 = 1 for horizontal hyperbola or (y - k)^2 / a^2 - (x - h)^2...
Brian McLogan
Determine which quadrant a angle is in when given radians - math tutorial
π Learn how to determine the quadrant of an angle given in radians. Recall that 1 radian is the distance on the circumference of the circle that is equivalent to the radius of the circle. Also, recall that the circumference of a circle...
Brian McLogan
Tutorial for using the unit circle to evaluate for tangent when angle is greater than
π 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 How to Graph the Cotangent Function with a Phase Shift
π 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
Learn how to find the sine of 5 pi over 4 without a calculator
π 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 a Radian Angle in Terms of 6ths
π 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
Find the reference angle and sketch both angles in standard position
π 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
Learn how to find the domain and range including the vertex and axis of symmetry
π Learn how to graph quadratic equations in vertex form. A quadratic equation is an equation of the form y = ax^2 + bx + c, where a, b and c are constants. The graph of a quadratic equation is in the shape of a parabola which can either...
Brian McLogan
How to graph the reciprocal function and identify the characteristics
π Learn how to graph the reciprocal function. A reciprocal function is a rational function whose expression of the variable is in the denominator. A reciprocal function is of the form f(x) = a / (x + h) + k, where h is the vertical...
Brian McLogan
4e Warm up (Where does the sine graph come from?)
4e Warm up (Where does the sine graph come from?)
Curated Video
Farm Fence (Solve word problems to find the perimeter of a rectangular shape)
Jamal has a farm of a rectangular shape. Its length is 60 yards and its width is 40 yards. He wants to build a fence around the whole farm. He will use a robe that goes around the whole farm. How long should the robe be?
Programming Electronics Academy
Cloud Based Arduino IDE using Codebender
This tutorial is about a cloud based Arduino ODE called Codebender that works as a web browser plugin. Quick and easy setup will have you blinking an LED on your Arduino board in less than 2 minutes!
Brian McLogan
Evaluate the 6 trig functions given a coordinate point
π 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 to evaluate for cos without using a calculator or the unit circle
π 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
Sketch the Angle in Standard Position
π 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...