# the sine addition formulas   139 videos

• #### Using Sine to Calculate the Area of a Triangle

##### TrigonometryBasic Trigonometry

How to calculate the area of any triangle using two sides and an included angle.

area of a triangle sine
• #### Using Sine to Calculate the Area of a Triangle

##### PrecalculusBasic Trigonometry

How to calculate the area of any triangle using two sides and an included angle.

area of a triangle sine
• #### 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
• #### 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
• #### Change of Base Formula

##### Algebra 2Inverse, Exponential and Logarithmic Functions

How to use the change of base formula for logs to evaluate a logarithmic statement.

change of base log logarithm
• #### Change of Base Formula

##### PrecalculusExponential and Logarithmic Functions

How to use the change of base formula for logs to evaluate a logarithmic statement.

change of base log logarithm
• #### Addition and Subtraction

##### Pre-AlgebraIntegers

Understanding the set of integers in contrast to the whole or natural numbers

• #### Solving and Graphing Inequalities using Addition or Subtraction

##### AlgebraSolving and Graphing Inequalities

How to solve and graph one variable inequalities using addition or subtraction.

inequality notation
• #### 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
• #### 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
• #### Find an Equation for the Sine or Cosine Wave

##### TrigonometryTrigonometric Functions

How to identify the graph of a stretched cosine curve.

sine cosine period amplitude intercepts turning points
• #### Find an Equation for the Sine or Cosine Wave

##### PrecalculusTrigonometric Functions

How to identify the graph of a stretched cosine curve.

sine cosine period amplitude intercepts turning points
• #### Equation of a Circle

##### GeometryPythagorean Theorem

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

distance formula radius center circle
• #### Equation of a Circle

##### TrigonometryPythagorean Theorem

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

distance formula radius center circle
• #### 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