# the sine addition formulas   139 videos

• #### The Circle

##### PrecalculusEquations of Lines, Parabolas and Circles

How to use the distance formula to derive the equation for a circle.

circle center radius distance formula equation for a circle
• #### Addition and Subtraction with Mixed Numbers

##### Pre-AlgebraFractions and MIxed Numbers

Adding or subtracting mixed numbers by either converting them to improper fractions or working with the integer part and the fractional part separately

• #### Addition and Subtraction with Decimals

Adding or subtracting decimals by vertically lining up the zeros

• #### Graphs of the Sine and Cosine Functions

##### TrigonometryTrigonometric Functions

How to define periodic functions.

periodic functions period amplitude
• #### Graphs of the Sine and Cosine Functions

##### PrecalculusTrigonometric Functions

How to define periodic functions.

periodic functions period amplitude
• #### 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.

vectors components vector addition scalar multiplication the dot product the scalar product magnitude length three dimensions

• #### Slope

##### Algebra 2Graphs of Linear Equations

How to find the slope between two points.

slope formula slope

• #### 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

• #### Area and Perimeter of Circles

##### Pre-AlgebraIntroductory Geometry

Vocabulary and formulas for the area of a circle

• #### Derivatives of Power Functions

##### CalculusThe Derivative

How to determine the derivative of a power function.

power functions derivative derivative formula
• #### Solving Systems of Equations using Elimination

##### AlgebraSolving Systems of Equations

How to solve a system of equations using elimination.

system of equations coefficient elimination additive inverse
• #### Components of a Force

##### PrecalculusVectors and Parametric Equations

How to define the components of a vector.

forces components resultant vector addition perpendicular
• #### Area of Triangles

##### GeometryArea

How to derive the area of a triangle formula using the rectangle area formula.

area triangles rectangles altitude
• #### Area of a Segment

##### GeometryArea

How to derive the area of a segment formula.