# the cosine of a sum formula   127 videos

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

##### PrecalculusTrigonometric Functions

How the values of A and B affect the shape of the graph y = A sin(Bx).

sine period amplitude stretch compression reflection
• #### More Transformations of Sine and Cosine

##### PrecalculusTrigonometric Functions

How the value of h affects the shape of the graph y = A sin(B(x-h)).

transformations sine period amplitude phase shift horizontal shift
• #### Graphs of the Sine and Cosine Functions

##### TrigonometryTrigonometric Functions

How to define periodic functions.

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

##### TrigonometryTrigonometric Functions

How the values of A and B affect the shape of the graph y = A sin(Bx).

sine period amplitude stretch compression reflection
• #### More Transformations of Sine and Cosine

##### TrigonometryTrigonometric Functions

How the value of h affects the shape of the graph y = A sin(B(x-h)).

transformations sine period amplitude phase shift horizontal shift
• #### Factoring Greatest Common Factor

##### Pre-AlgebraPolynomials

Factoring is turning a sum or difference into a product

• #### Series and Summation Notation

##### Algebra 2Sequences and Series

How to define a series.

series sum of a sequence
• #### Supplementary and Complementary Angles

##### GeometryGeometry Building Blocks

How to identify supplementary and complementary angles.

angles sum right angle
• #### 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
• #### Area of a Segment

##### GeometryArea

How to derive the area of a segment formula.

• #### Area of an Annulus

##### GeometryArea

How to derive the formula for the area of an annulus.

• #### Additive and Multiplicative Inverses

##### AlgebraPre-Algebra

How to find additive and multiplicative inverses.

additive inverse multiplicative inverse product sum
• #### Approximating Area Using Rectangles

##### CalculusThe Definite Integral

How to approximate the area under a curve using rectangles.

approximating area under a curve left hand sums right hand sums limits
• #### Addition and Scalar Multiplication of Vectors

##### PrecalculusVectors and Parametric Equations

How to compute the sum of two vectors or the product of a scalar and a vector.

vector components horizontal component vertical component component form vector addition the zero vector scalar multiplication