75 Videos for "position"

The Angle Between Vectors  Concept
Math › Precalculus › Vectors and Parametric Equations
How to compute the angle between two vectors. 
Instantaneous Velocity  Concept
Math › Calculus › The Derivative
How to estimate the instantaneous velocity of an object at t=2 by computing average velocities over shorter and shorter intervals of time. 
The Definitions of Sine and Cosine  Problem 2
Math › Trigonometry › Trigonometric Functions
How to find the sine of an angle when its cosine is given. 
The Definitions of Sine and Cosine  Problem 2
Math › Precalculus › Trigonometric Functions
How to find the sine of an angle when its cosine is given. 
The Definitions of Sine and Cosine  Problem 1
Math › Precalculus › Trigonometric Functions
How to evaluate sine and cosine when the angle is 0, ?/2, ?, ?. 
The Definitions of Sine and Cosine  Problem 1
Math › Trigonometry › Trigonometric Functions
How to evaluate sine and cosine when the angle is 0, ?/2, ?, ?. 
The Definitions of Sine and Cosine  Problem 4
Math › Trigonometry › Trigonometric Functions
How to determine the magnitude of sine or cosine using a unit circle diagram. 
The Vector Equation of a Line  Concept
Math › Precalculus › Vectors and Parametric Equations
How to write the vector equation of a line. 
The Angle Between Vectors  Problem 1
Math › Precalculus › Vectors and Parametric Equations
How to compute the angle between two vectors. 
Lines in 3D  Concept
Math › Precalculus › Vectors and Parametric Equations
How to find the vector and parametric equations of a line when given two points on the line. 
Vectors and Planes  Concept
Math › Precalculus › Vectors and Parametric Equations
How to find a vector normal (perpendicular) to a plane given an equation for the plane. 
Vectors and Planes  Problem 1
Math › Precalculus › Vectors and Parametric Equations
How to find an equation of a plane given a normal vector of the plane and one point in the plane. 
Economics: Cost & Revenue  Problem 3
Math › Calculus › Applications of the Derivative
How to estimate the instantaneous velocity of an object from a graph of position vs. time by computing slopes of secant lines over shorter and shorter intervals of time. 
The Definitions of Sine and Cosine  Problem 4
Math › Precalculus › Trigonometric Functions
How to determine the magnitude of sine or cosine using a unit circle diagram. 
Vectors and Planes  Problem 3
Math › Precalculus › Vectors and Parametric Equations
How to find an equation of the plane tangent to a sphere. 
Lines in 3D  Problem 3
Math › Precalculus › Vectors and Parametric Equations
How to find the point where a line passes through the xyplane given the vector equation of the line. 
The Definitions of Sine and Cosine  Problem 3
Math › Trigonometry › Trigonometric Functions
How to determine whether sine and cosine are positive or negative when we know the quadrant. 
The Definitions of Sine and Cosine  Problem 3
Math › Precalculus › Trigonometric Functions
How to determine whether sine and cosine are positive or negative when we know the quadrant. 
The Vector Equation of a Line  Problem 2
Math › Precalculus › Vectors and Parametric Equations
How to write the vector equation of a line given two points on the line.