• #### Radian Measure of Angles - Problem 3

##### Math›Trigonometry›Trigonometric Functions
How to convert to radians when degrees are given and vice versa.
• #### Radian Measure of Angles - Problem 3

##### Math›Precalculus›Trigonometric Functions
How to convert to radians when degrees are given and vice versa.
• #### Evaluating Sine and Cosine at Special Acute Angles - Problem 1

##### Math›Trigonometry›Trigonometric Functions
How do we measure sine and cosine of ?/6?
• #### Evaluating Sine and Cosine at Special Acute Angles - Problem 2

##### Math›Trigonometry›Trigonometric Functions
How to measure sine and cosine of pi/3
• #### Angle Bisectors and Opposite Side Ratios - Problem 2

##### Math›Geometry›Similarity
How to find a missing length, given the length of the opposite side in a triangle.
• #### 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 Special Acute Angles - Problem 2

##### Math›Precalculus›Trigonometric Functions
How to measure sine and cosine of pi/3
• #### Other Forms of the Cosine Double-Angle Formula - Problem 2

How to use the power reduction formulas to reduce cos4 x.
• #### Other Forms of the Cosine Double-Angle Formula - Problem 2

How to use the power reduction formulas to reduce cos4 x.
• #### Evaluating Sine and Cosine at Special Acute Angles - Concept

##### Math›Trigonometry›Trigonometric Functions
How do we measure sine and cosine of pi/4?
• #### Evaluating Sine and Cosine at Special Acute Angles - Problem 3

##### Math›Trigonometry›Trigonometric Functions
How do we graph sine and cosine when q is between 0 and ?/2?
• #### Evaluating Sine and Cosine at Special Acute Angles - Concept

##### Math›Precalculus›Trigonometric Functions
How do we measure sine and cosine of pi/4?
• #### Evaluating Sine and Cosine at Special Acute Angles - Problem 3

##### Math›Precalculus›Trigonometric Functions
How do we graph sine and cosine when q is between 0 and ?/2?
• #### The Angle Between Planes - Problem 3

##### Math›Precalculus›Vectors and Parametric Equations
How to find an equation of a plane parallel to or perpendicular to a given plane.
• #### The Angle Between Planes - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to determine if two planes are parallel or perpendicular.
• #### Converse of Parallel Lines Theorem - Problem 2

##### Math›Geometry›Reasoning, Diagonals, Angles and Parallel Lines
How to solve for a variable of corresponding angles in order to make lines parallel.
• #### Deductive Reasoning - Concept

##### Math›Geometry›Reasoning, Diagonals, Angles and Parallel Lines
How to define deductive reasoning and compare it to inductive reasoning.
• #### Inductive Reasoning - Concept

##### Math›Geometry›Reasoning, Diagonals, Angles and Parallel Lines
How to define inductive reasoning, and how to find numbers in a sequence.
• #### Number of Diagonals in a Polygon - Concept

##### Math›Geometry›Reasoning, Diagonals, Angles and Parallel Lines
How to determine the number of diagonals in a polygon.
• #### Converse of Parallel Lines Theorem - Concept

##### Math›Geometry›Reasoning, Diagonals, Angles and Parallel Lines
How to take the converse of the parallel lines theorem.