72 Videos for "position"

The Vector Equation of a Line  Problem 3
Math › Precalculus › Vectors and Parametric Equations
How to write the vector equation of a line segment given its endpoints. 
The Definitions of Sine and Cosine  Concept
Math › Precalculus › Trigonometric Functions
How we define sine and cosine for all angle measures using the unit circle. 
Unit Vectors  Problem 3
Math › Precalculus › Vectors and Parametric Equations
How to find a unit vector in any direction given the direction's angle. 
Parametric Equations and Motion  Concept
Math › 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. 
Lines in 3D  Problem 1
Math › Precalculus › Vectors and Parametric Equations
How to find the vector equation, the parametric equations, and the symmetric equation of a line given two points on the line. 
Vectors and Planes  Problem 2
Math › Precalculus › Vectors and Parametric Equations
How to find a vector and a rectangular equation for a plane given a normal vector of the plane and one point in the plane. 
The Midpoint and Distance Formulas in 3D  Concept
Math › Precalculus › Vectors and Parametric Equations
How to derive the formula for the midpoint of a segment in three dimensions. 
Motion Along a Line  Problem 3
Math › Precalculus › Vectors and Parametric Equations
How to determine whether two ants, each moving in a straight line, ever meet. 
The Definitions of Sine and Cosine  Concept
Math › Trigonometry › Trigonometric Functions
How we define sine and cosine for all angle measures using the unit circle. 
Algebraic Representation of Vectors  Problem 1
Math › Precalculus › Vectors and Parametric Equations
How to express a vector from point Q to point R algebraically in component form <a,b>. 
Evaluating Sine and Cosine at Special Acute Angles  Problem 2
Math › Trigonometry › Trigonometric Functions
How do we measure sine and cosine of ?/3? 
Evaluating Sine and Cosine at Other Special Angles  Concept
Math › Trigonometry › Trigonometric Functions
How to measure the sine and cosine of 150. 
Evaluating Sine and Cosine at Other Special Angles  Problem 1
Math › Trigonometry › Trigonometric Functions
How to measure the sine and cosine of 135?. 
Evaluating Sine and Cosine at Special Acute Angles  Problem 1
Math › Precalculus › Trigonometric Functions
How do we measure sine and cosine of ?/6? 
Evaluating Sine and Cosine at Other Special Angles  Problem 3
Math › Trigonometry › Trigonometric Functions
How to measure the sine and cosine of 5?/3. 
Evaluating Sine and Cosine at Special Acute Angles  Problem 2
Math › Precalculus › Trigonometric Functions
How do we measure sine and cosine of ?/3? 
Evaluating Sine and Cosine at Other Special Angles  Concept
Math › Precalculus › Trigonometric Functions
How to measure the sine and cosine of 150. 
Evaluating Sine and Cosine at Special Acute Angles  Problem 1
Math › Trigonometry › Trigonometric Functions
How do we measure sine and cosine of ?/6? 
Motion Along a Line  Problem 2
Math › Precalculus › Vectors and Parametric Equations
How to find the velocity and speed, and the displacement and distance traveled, of an object traveling in a straight line. 
Evaluating Sine and Cosine at Other Special Angles  Problem 1
Math › Precalculus › Trigonometric Functions
How to measure the sine and cosine of 135?.