# adding a multiple of one row to another   100 videos

• #### The Inverse Tangent Function

How to restrict the domain of tangent so it will have an inverse function.

inverse functions one to one inverse tangent arctangent
• #### The Inverse Sine Function

How to restrict the domain of sine so it will have an inverse function.

inverse functions one to one inverse sine arcsine
• #### The Inverse Cosine Function

How to restrict the domain of cosine so it will have an inverse function.

inverse functions one to one inverse cosine arccosine
• #### The Inverse Tangent Function

How to restrict the domain of tangent so it will have an inverse function.

inverse functions one to one inverse tangent arctangent
• #### Divisibility

##### Pre-AlgebraPrime Numbers

Shortcuts to determine whether a number is a factor of another

• #### Introduction to Matrices

##### Algebra 2Matrices

matrix dimensions element row column
• #### Addition and Subtraction with Decimals

Adding or subtracting decimals by vertically lining up the zeros

• #### History as Mystery

##### AP US HistoryAP US History Videos

Outsmart the AP U.S. History test and pick up guaranteed strategies for test success.

Multiple choice questions
• #### Probability of Independent Events

##### PrecalculusTopics in Discrete Math

How to find the probability of independent events.

probability multiple events overlap
• #### Probability of Independent Events

##### Algebra 2Combinatorics

How to find the probability of independent events.

probability multiple events overlap
• #### Limits: A Graphical Approach

##### CalculusLimits and Continuity

How to determine one-sided and two-sided limits from the graph of a function.

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• #### Vector Operations in 3D

##### PrecalculusVectors and Parametric Equations

How to perform vector operations like addition, scalar multiplication, the dot product, and finding the magnitude, in three dimensions.

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• #### Infinite Limits; Vertical Asymptotes

##### CalculusLimits and Continuity

How to use one-sided limits to find a vertical asymptote.

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• #### Commutative, Associative

##### Pre-AlgebraProperties of Numbers

Overview of the commutative and associative properties for addition and multiplication

• #### Distributive

##### Pre-AlgebraProperties of Numbers

Introduction to the distributive property of multiplication over addition or subtraction

• #### Exponents

##### Pre-AlgebraIntegers

Exponents are a short cut for writing repeated multiplication

• #### Solving Equations with fractions and decimals by "Clearing"

##### Pre-AlgebraSolving Equations and Inequalities

Solving equations with fractions by multiplying by the least common multiple

• #### Using the Conjugate Zeros Theorem

##### PrecalculusPolynomial and Rational Functions

How we find the zeros of a polynomial function when one imaginary zero is known.

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• #### Solving Linear Equations

##### PrecalculusLinear Equations and Inequalities

How to solve a linear equation in one variable.

solving linear equations