semicircle parametrization parametric equations counter clockwise 169 videos

Parametrizing a Circle
Precalculus Vectors and Parametric Equations
How to write the parametric equations of a circle centered at (0,0) with radius r, oriented counterclockwise.
the unit circle cosine sine parametrization parametric equations circle counter clockwise 
Parametrizing a Line Segment
Precalculus Vectors and Parametric Equations
How to write the parametric equations of a line segment that goes from point A to point B.
vector equation line segment parametric equations 
Parametric Equations and Motion
Precalculus Vectors and Parametric Equations
How to graph a parametric curve, and how to eliminate the parameter to obtain a rectangular equation for the curve.
position time parametric equations path rectangular equation eliminating the parameter square root function direction of motion 
Lines in 3D
Precalculus Vectors and Parametric Equations
How to find the vector and parametric equations of a line when given two points on the line.
the vector equation of a line position vectors direction vector parametric equations 
Angles in Semicircles and Chords to Tangents
Geometry Circles
How to prove that an angle inscribed in a semicircle is a right angle; how to solve for arcs and angles formed by a chord drawn to a point of tangency.
inscribed angle semicircle tangent chord intercepted arc 
Motion Along a Line
Precalculus Vectors and Parametric Equations
How to write equations describing motion in a straight line given the velocity and the position when t=0.
velocity constant velocity position vector equation of a line parametric equations parametric equations of a line 

Thermochemical Equation
Chemistry Thermochemistry
Understanding and solving thermochemical equations.
thermochemical equations 
Continuity Equation
Physics Solids, Liquids and Gases
An explanation of the Continuity Equation.
continuity equation fluids flow 
Solving Radical Equations
Algebra Radical Expressions and Equations
How to solve rational equations.
radicand equation 
Differential Equations
Calculus Antiderivatives and Differential Equations
How to solve simple differential equations.
differential equations derivatives 
Chemical Equations
Chemistry Chemical Reactions
How to write a skeletal chemical equation.
chemical equations reaction 
Net Ionic Equation
Chemistry Chemical Reactions
How to write a net ionic equation.
net ionic equation balancing chemical equation neutralization 
Solving Literal Equations
Algebra Solving Equations
How to solve literal equations.
literal equation solve 
Balancing Chemical Equations
Chemistry Chemical Reactions
How to balance a chemical equation.
balancing chemical equation 
Introduction to Systems of Equations
Algebra Solving Systems of Equations
How to solve a system of equations.
system of equations solution to a system of equations substitution elimination matrices 
Solving Systems of Equations by Graphing
Algebra Solving Systems of Equations
How to solve a system of equations using graphing.
system of equations solution to a system of equations graphing 
Solving Twostep Equations
Algebra Solving Equations
How to solve twostep equations.
expressions equations solutions 
PointSlope Form of Linear Equations
Algebra Linear Equations and Their Graphs
How to write the equation of a line in pointslope form.
slope equation