# distance formula   84 videos

• #### Using the Sine and Cosine Addition Formulas to Prove Identities

How to use the sine and cosine addition formulas to prove the cofunction identities.

• #### The Euler Formula

##### PrecalculusPolar Coordinates and Complex Numbers

How to use the Euler Formula to convert a complex number from the exponential form to rectangular form.

complex numbers trigonometric form Euler formula e sine cosine modulus argument
• #### Velocity, Acceleration and Distance

##### AP Calculus ABAP Calculus Videos
Velocity acceleration integrals and position integrals and distance
• #### Applied Linear Equations: Distance Problem

##### PrecalculusLinear Equations and Inequalities

How to find the speed of transit when the time of two different legs is known.

distance rate time word problem
• #### Applied Linear Equations: Distance Problem

##### Algebra 2Linear Equations

How to find the speed of transit when the time of two different legs is known.

distance rate time word problem
• #### Other Forms of the Cosine Double-Angle Formula

How to derive two more cosine double-angle formulas.

the Pythagorean identity the cosine double angle formulas
• #### Other Forms of the Cosine Double-Angle Formula

How to derive two more cosine double-angle formulas.

the Pythagorean identity the cosine double angle formulas
• #### Formulas

##### Pre-AlgebraSolving Equations and Inequalities

The importance of solving literal equations for a given variable

• #### The Half-Angle Identities

How to use the power reduction formulas to derive the half-angle formulas.

the power reduction formulas the half angle formulas quadrants
• #### The Half-Angle Identities

How to use the power reduction formulas to derive the half-angle formulas.

the power reduction formulas the half angle formulas quadrants
• #### Deriving the Quadratic Formula

##### Algebra 2Quadratic Equations and Inequalities

How to derive the quadratic formula by completing the square.

functions domain parent functions inequalities interval notation
• #### Conic Section Formulas

##### Algebra 2Conic Sections

How to identify a conic section by its formula.

parabola circle ellipse hyperbola center focus
• #### Conic Section Formulas

##### PrecalculusConic Sections

How to identify a conic section by its formula.

parabola circle ellipse hyperbola center focus
• #### 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
• #### Constructing a Perpendicular to a Line

##### GeometryConstructions

How to find the shortest distance between a point and a line.

construction midpoint perpendicular equidistant shortest distance to a line
• #### Chords and a Circle's Center

##### GeometryCircles

How to define a chord; how to describe the effect of a perpendicular bisector of a chord and the distance from the center of the circle.

chord perpendicular bisector distance from the center congruent chords

• #### Displacement

##### PhysicsLinear and Projectile Motion

An explanation of displacement.

displacement distance vector