Khan Academy
Khan Academy: Linear Algebra: Inverting Matrices (Part 2)
Video example of finding the inverse of a 3 by 3 matrix. Includes using expansion of minors to determine the determinant and finding the matrix of cofactors and adjugate or adjoint matrix. This video also appears in the strand Algebra:...
Khan Academy
Khan Academy: Inverting Matrices: Inverting Matrices (Part 2)
Inverting a 3x3 matrix. This video includes using expansion of minors to determine the determinant and finding the matrix of cofactors and adjugate or adjoint matrix.
Khan Academy
Khan Academy: Finding Inverses of Matrices: Formula for 2 X2 Inverse
Figuring out the formula for a 2x2 matrix. Defining the determinant.
Sophia Learning
Sophia: The Horizontal Line Test
This lesson shows how to use the horizontal line test to determine whether a function has an inverse. Students can watch a tutorial video and then take an online quiz.
Sophia Learning
Sophia: Conditional, Contrapositive, Inverse, Converse, Biconditional
Students learn about the terms related to logic and conditional statements. Terms explored are conditional, contrapositive, inverse, converse, and biconditional.
Imagine Learning Classroom
Learn Zillion: Understand Reciprocals
In this lesson, you will learn about reciprocals by thinking about the inverse relationship between multiplication and division. [4:58]
Other
Identity Matrix and Inverses
Explains what is meant by an identity matrix and why it is important. This is followed by a discussion of inverses. Examples and explanations are very clear. [13:45]
Khan Academy
Khan Academy: Direct and Inverse Variation: Inverse Variation Application
Aplication problem related to stringed instruments by first finding the constant of proportionality and then using it to find another value.
Khan Academy
Khan Academy: Arithmetic Properties: Inverse Property of Multiplication
Simple idea that multiplying by a numbers multiplicative inverse gets you back to one
Sophia Learning
Sophia: Cosecant: Lesson 5
The concept of the cosecant of an angle is introduced in this lesson. It is 5 of 5 in the series titled "Cosecant." [2:33]
Sophia Learning
Sophia: Cosecant: Lesson 1
The concept of the cosecant of an angle is introduced in this lesson. It is 1 of 5 in the series titled "Cosecant." [3:17]
Sophia Learning
Sophia: Cotangent: Lesson 4
This lesson introduces the concept of the cotangent of an angle. It is 4 of 5 in the series titled "Cotangent." [2:21]
Sophia Learning
Sophia: Cotangent: Lesson 1
This lesson introduces the concept of the cotangent of an angle. It is 1 of 5 in the series titled "Cotangent." [3;11]
Sophia Learning
Sophia: Dividing Whole Numbers by Fractions: Lesson 4
This lesson goes over how to divide a whole number by a fraction. It is 4 of 11 in the series titled "Dividing Whole Numbers by Fractions."
Sophia Learning
Sophia: Domain and Range of Inverse Functions: Lesson 2
The domains and ranges of the six inverse trigonometric functions are discussed here. This lesson is 2 of 5 in the series titled "Domain and Range of Inverse Functions."
Sophia Learning
Sophia: Domain and Range of Inverse Functions: Lesson 3
The domains and ranges of the six inverse trigonometric functions are discussed here. This lesson is 3 of 5 in the series titled "Domain and Range of Inverse Functions."
Sophia Learning
Sophia: Domain and Range of Inverse Functions: Lesson 4
The domains and ranges of the six inverse trigonometric functions are discussed here. This lesson is 4 of 5 in the series titled "Domain and Range of Inverse Functions."
Sophia Learning
Sophia: Evaluating an Inverse Function: Lesson 2
Given an inverse trigonometric function, this lesson demonstrates how it can be evaluated for a particular value. It is 2 of 7 in the series titled "Evaluating an Inverse Function."
Sophia Learning
Sophia: Evaluating an Inverse Function: Lesson 6
Given an inverse trigonometric function, this lesson demonstrates how it can be evaluated for a particular value. It is 6 of 7 in the series titled "Evaluating an Inverse Function." [3:26]
Sophia Learning
Sophia: Evaluating an Inverse Function: Lesson 7
Given an inverse trigonometric function, this lesson demonstrates how it can be evaluated for a particular value. It is 7 of 7 in the series titled "Evaluating an Inverse Function."
Sophia Learning
Sophia: Evaluating an Inverse Relation: Lesson 2
Given the output of a particular trigonometric function, this lesson demonstrates how to find the angles that correspond to that value. It is 2 of 7 in the series titled "Evaluating an Inverse Relation."
Sophia Learning
Sophia: Evaluating an Inverse Relation: Lesson 3
Given the output of a particular trigonometric function, this lesson demonstrates how to find the angles that correspond to that value. It is 3 of 7 in the series titled "Evaluating an Inverse Relation."
Sophia Learning
Sophia: Evaluating an Inverse Relation: Lesson 6
Given the output of a particular trigonometric function, this lesson demonstrates how to find the angles that correspond to that value. It is 6 of 7 in the series titled "Evaluating an Inverse Relation."
Sophia Learning
Sophia: Evaluating an Inverse Relation: Lesson 7
Given the output of a particular trigonometric function, this lesson demonstrates how to find the angles that correspond to that value. It is 7 of 7 in the series titled "Evaluating an Inverse Relation."