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Brian McLogan
Finding the angle of a vector as a linear combination
Learn how to determine the magnitude and direction of a vector. The magnitude of a vector is the length of the vector. The magnitude of a vector is obtained by taking the square root of the sum of the squares of the components of the...
Brian McLogan
Convert point from polar to rectangular
Learn how to convert points between rectangular and polar. Rectangular points measure the horizontal and vertical distance away from the origin whereas polar coordinates measure the direct distance and angle in standard position from the...
Brian McLogan
Simplify first and then integrate trigonometric expression
👉 Learn how to evaluate the integral of a function. The integral, also called antiderivative, of a function, is the reverse process of differentiation. Integral of a function can be evaluated as an indefinite integral or as a definite...
Zach Star
The beauty of complex numbers
This video covers complex numbers, euler's formula, fractals, and more of the mechanics of complex numbers.<br/>
Brian McLogan
Converting a linear equation to polar form
Learn how to convert between rectangular and polar equations. A rectangular equation is an equation having the variables x and y which can be graphed in the rectangular cartesian plane. A polar equation is an equation defining an...
Virtually Passed
Conservation of energy Part 1 definition of work
Providing a more general form of work as opposed to the well known, but only specific case of work, W=Fd. Also walk through a very simple example of the work done by a force on a block.
Brian McLogan
Understand the equations for polar equations
Understand the equations for polar equations
Brian McLogan
How to evaluate the inverse of cosine with a calculator
👉 Learn how to evaluate inverse trigonometric functions. The inverse trigonometric functions are used to obtain theta, the angle which yielded the trigonometric function value. It is usually helpful to use the calculator to calculate the...
Brian McLogan
Multiply and simplify fractions using trigonometric identities
Multiply and simplify fractions using trigonometric identities
Brian McLogan
Evaluating your trig functions and reciprocal functions with a calculator
👉 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
What is the difference between angles in radians and in terms of pi
👉 Learn about the angles 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
How to evaluate for cosecant using a calculator in radians
👉 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
Find the reference angle of an angle in radians in the third quadrant
👉 Learn how to find the reference angle of a given angle. The reference angle is the acute angle formed by the terminal side of an angle and the x-axis. To find the reference angle, we determine the quadrant on which the given angle lies...
Brian McLogan
Understand where even and odd 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
Solving a simple trigonometric equation by isolating cosine
👉 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
Solve word problem with angle of elevation and trigonometry
👉 Learn how to evaluate an expression with the composition of a function and a function inverse. Just like every other mathematical operation, when given a composition of a trigonometric function and an inverse trigonometric function,...
Brian McLogan
Finding the six trigonometric functions from a 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...
Flipping Physics
Angular Momentum of Particles Introduction
The equation for the #AngularMomentum of a #PointParticle is built and visualized. Proof a point particle can have angular momentum is shown. The right-hand rule for angular momentum direction is shown.
Virtually Passed
Method of joints example 1
Method of joints involves analyzing a free body diagram of an isolated joint and applying the sum of forces = 0.
Step 1: Draw FBD of w
hole truss
Step 2: Find
reaction forces
Step 3: Choose a joint to analyze and...
Step 1: Draw FBD of w
hole truss
Step 2: Find
reaction forces
Step 3: Choose a joint to analyze and...
Brian McLogan
Understanding what a radian is
👉 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
Evaluate for Theta Between 0 and 2pi, Secθ = -1
👉 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 is the difference between angles in terms of pie
👉 Learn about the angles 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
Finding theta given the arc length and radius
👉 Learn how to solve problems with arc lengths. You will learn how to find the arc length of a sector, the angle of a sector, or the radius of a circle. An arc of a circle is the curve between a pair of points on the circumference of the...