• Trigonometric Identities - Problem 3

Math›Trigonometry›Trigonometric Functions
How to use the unit circle to show that sine and cosine have period 2*pi, and tangent has period pi.
• Trigonometric Identities - Problem 3

Math›Precalculus›Trigonometric Functions
How to use the unit circle to show that sine and cosine have period 2*pi, and tangent has period pi.
• 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.
• 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.
• 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.
• Graphing the Reciprocal Trigonometric Functions - Concept

Math›Precalculus›Trigonometric Functions
How to use the unit circle to derive identities that are useful in graphing the reciprocal trigonometric functions.
• Trigonometric Identities - Problem 2

Math›Precalculus›Trigonometric Functions
How to use the unit circle to show that cosine is an even function, and sine and tangent are odd functions.
• 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.
• The Tangent Function - Problem 1

Math›Trigonometry›Trigonometric Functions
How to find values of tan(q) when q=0, ?/6, ?/4, and ?/3.
• Dimensional Analysis

Science›Chemistry›Introduction to Chemistry
How to use dimensional analysis to convert units in chemistry problems.
• The Tangent Function - Problem 1

Math›Precalculus›Trigonometric Functions
How to find values of tan(q) when q=0, ?/6, ?/4, and ?/3.
• The Tangent Function - Problem 2

Math›Precalculus›Trigonometric Functions
How to find when sine, cosine, and tangent are positive.
• Graph of the Tangent Function - Concept

Math›Precalculus›Trigonometric Functions
How to graph y = tan(theta) for 0 <= theta < pi/2.
• Definition of Slope - Problem 1

Math›Algebra›Linear Equations and Their Graphs
Units attached to slopes and constant change in word problem situations
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• Graph of the Tangent Function - Concept

Math›Trigonometry›Trigonometric Functions
How to graph y = tan(theta) for 0 <= theta < pi/2.
• The Tangent Function - Problem 2

Math›Trigonometry›Trigonometric Functions
How to find when sine, cosine, and tangent are positive.
• The Half-Angle Identities - Problem 1

How to use a half-angle formula to evaluate sin(/8).
• The Tangent Function - Concept

Math›Trigonometry›Trigonometric Functions
How to define the tangent function for all angles.
• The Reciprocal Trigonometric Functions - Concept

Math›Trigonometry›Trigonometric Functions
How to define the reciprocal trigonometric functions, the reciprocal identities, and the Pythagorean identities.
• Applications of Linear Equations - Problem 4

Math›Algebra 2›Graphs of Linear Equations
The meaning of the slope of a line in a word problem, particularly in relation to the given units
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