# the sine of a sum formula   138 videos

• #### Distance Formula

##### GeometryPythagorean Theorem

How to derive the equation for the distance between two points using the Pythagorean Theorem.

distance coordinate plane ordered pair segment
• #### Distance Formula

##### TrigonometryPythagorean Theorem

How to derive the equation for the distance between two points using the Pythagorean Theorem.

distance coordinate plane ordered pair segment
• #### Solving Trigonometric Equations

How to solve a simple sine equation: sin (theta) = 1/2.

trigonometric equations sine inverse sine supplement of an angle periodicity
• #### Solving Trigonometric Equations

How to solve a simple sine equation: sin (theta) = 1/2.

trigonometric equations sine inverse sine supplement of an angle periodicity
• #### The Circle

##### Algebra 2Conic Sections

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

circle center radius distance formula equation for a circle
• #### The Circle

##### PrecalculusConic Sections

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

circle center radius distance formula equation for a circle
• #### 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
• #### Exterior Angles of a Polygon

##### GeometryPolygons

How to find the sum of the exterior angles in a polygon and find the measure of one exterior angle in an equiangular polygon.

exterior angle sum of angles equiangular polygon
• #### 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
• #### Factoring Greatest Common Factor

##### Pre-AlgebraPolynomials

Factoring is turning a sum or difference into a product

• #### Supplementary and Complementary Angles

##### GeometryGeometry Building Blocks

How to identify supplementary and complementary angles.

angles sum right angle
• #### Series and Summation Notation

##### Algebra 2Sequences and Series

How to define a series.

series sum of a sequence
• #### Series and Summation Notation

##### PrecalculusSequences and Series

How to define a series.

series sum of a sequence

• #### Slope

##### Algebra 2Graphs of Linear Equations

How to find the slope between two points.

slope formula slope
• #### 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
• #### Area of Triangles

##### GeometryArea

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

area triangles rectangles altitude