98 Videos for "unit"

Unit System
Science › Physics › Introduction to Physics
The definition of the unit system and common prefixes. 
Scientific Units
Science › Chemistry › Introduction to Chemistry
How to use and convert scientific units. 
Scientific Units
Science › Physics › Introduction to Physics
How to use and convert scientific units. 
Unit Vectors  Concept
Math › Precalculus › Vectors and Parametric Equations
How to express a vector algebraically in terms of the unit vectors i and j. 
Calculating Coordinates in the Unit Circle  Concept
Math › Trigonometry › Pythagorean Theorem
How to describe the unit circle. How to draw the unit circle and label its parts. How to strategize about finding coordinates on the unit circle. 
Calculating Coordinates in the Unit Circle  Concept
Math › Geometry › Pythagorean Theorem
How to describe the unit circle. How to draw the unit circle and label its parts. How to strategize about finding coordinates on 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. 
Unit Vectors  Problem 1
Math › Precalculus › Vectors and Parametric Equations
How to convert a vector into component form when it is expressed in terms of the unit vectors i and j. 
Unit Vectors  Problem 2
Math › Precalculus › Vectors and Parametric Equations
How to find the unit vector that has the same direction as a given vector. 
Calculating Coordinates in the Unit Circle  Problem 1
Math › Geometry › Pythagorean Theorem
How to find the coordinates on the unit circle, given an angle of 225 degrees. 
Calculating Coordinates in the Unit Circle  Problem 1
Math › Trigonometry › Pythagorean Theorem
How to find the coordinates on the unit circle, given an angle of 225 degrees. 
Calculating Coordinates in the Unit Circle  Problem 2
Math › Trigonometry › Pythagorean Theorem
How to find the coordinates on the unit circle, given an angle of 60 degrees. 
Calculating Coordinates in the Unit Circle  Problem 2
Math › Geometry › Pythagorean Theorem
How to find the coordinates on the unit circle, given an angle of 60 degrees. 
Trigonometric Identities  Concept
Math › Precalculus › Trigonometric Functions
How to use the unit circle to derive the tangent identity and the Pythagorean identity. 
Trigonometric Identities  Concept
Math › Trigonometry › Trigonometric Functions
How to use the unit circle to derive the tangent identity and the Pythagorean identity. 
Trigonometric Identities  Problem 3
Math › Trigonometry › Trigonometric Functions
How to use the unit circle to show that sine and cosine have period 2?, and tangent has period ?. 
Trigonometric Identities  Problem 3
Math › Precalculus › Trigonometric Functions
How to use the unit circle to show that sine and cosine have period 2?, and tangent has period ?. 
Trigonometric Identities  Problem 2
Math › Trigonometry › Trigonometric Functions
How to use the unit circle to show that cosine is an even function, and sine and tangent are odd functions. 
Graphing the Reciprocal Trigonometric Functions  Concept
Math › Trigonometry › Trigonometric Functions
How to use the unit circle to derive identities that are useful in graphing the reciprocal trigonometric functions.