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Brian McLogan
Evaluate the identity using sum and difference formula
๐ Learn how to verify the sum and difference of two angles trigonometric identities using the sum/difference formulas. To verify an identity means to ascertain that the left-hand side is equal to the right-hand side of the equality sign....
Brian McLogan
Write the vector in component form given the magnitude and direction
Learn how to write a vector in component form when given the magnitude and direction. When given the magnitude (r) and the direction (theta) of a vector, the component form of the vector is given by r(cos(theta), sin(theta)).
Brian McLogan
How to find the angle between two vectors written as a linear combination
Learn how to determine the angle between two vectors. To determine the angle between two vectors you will need to know how to find the magnitude, dot product and inverse cosine. Then, the angle between two vectors is given by the inverse...
Brian McLogan
How to take the derivative using chain rule with natural log and cosine
๐ Learn how to find the derivative of exponential and logarithmic expressions. 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
How to find the derivative of a function with sine
๐ Learn how to find the derivative of trigonometric functions. 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 of a...
Flipping Physics
Simple Harmonic Motion Derivations using Calculus (Mass-Spring System)
Calculus is used to derive the simple harmonic motion equations for a mass-spring system. Equations derived are position, velocity, and acceleration as a function of time, angular frequency, and period. This is an AP Physics...
Professor Dave Explains
Particle in a Box Part 2: Interpreting the Results
In the previous tutorial we solved the Schrรถdinger equation for a quantum particle in an infinite square well. This is also known as the problem of the particle in a box. But there is a lot to unpack regarding the results, enough to...
Brian McLogan
L'Hopital's Rule sine x over x
๐ Learn how to evaluate the limit of a function involving trigonometric expressions. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time....
Brian McLogan
How to find the angle between two vectors
Learn how to determine the angle between two vectors. To determine the angle between two vectors you will need to know how to find the magnitude, dot product and inverse cosine. Then, the angle between two vectors is given by the inverse...
Brian McLogan
Evaluate the limit with tangent
๐ Learn how to evaluate the limit of a function involving trigonometric expressions. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time....
Brian McLogan
How to use the product rule to take the derivative with trig functions with trig functions
๐ Learn how to find the derivative of a function using the product 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...
Curated Video
Understanding Tangent Values in Right Triangles through Similar Triangles
In this video, we learn how to find the tangent value of an acute angle in a right triangle by using the ratios of the triangle's sides. The tangent value is found by dividing the length of the opposite leg by the length of the adjacent...
TMW Media
Physics Work: Solving another problem
Given certain parameters, how would you solve this problem?<br/>
Physics Work, Part 3
Physics Work, Part 3
Brian McLogan
Find the missing measures, law of cosines then law of sines
Find the missing measures, law of cosines then law of sines
Brian McLogan
Learn how to create a triangle and evaluate all six trig functions given cosecant
๐ 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
Solving an equation using the half angle formula of sine
๐ Learn how to solve equations using half-angle identities. To do this we will replace every trig function with half angles using the identity. Then we will simplify and solve trigonometric functions. To find the values we will use the...
Brian McLogan
How to verify an identity by adding two trigonometric fractions
๐ Learn how to verify rational trigonometric identities involving the addition and subtraction of terms. 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...
Brian McLogan
Write the equation of a circle in polar form
Write the equation of a circle in polar form
Brian McLogan
Evaluate the six trig functions by when given one value and constraint
๐ Learn how to evaluate the six trigonometric functions given some constraints. When given the value of one trigonometric function, we can use a right triangle with one of its legs on the x-axis and the other leg, perpendicular to the...