• 30-60-90 Triangles - Problem 3

Math›Trigonometry›Pythagorean Theorem
How to find the short leg and long leg in a 30-60-90 triangle given the hypotenuse.
• 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.
• 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.
• 30-60-90 Triangles - Problem 3

Math›Geometry›Pythagorean Theorem
How to find the short leg and long leg in a 30-60-90 triangle given the hypotenuse.
• 30-60-90 Triangles - Problem 2

Math›Geometry›Pythagorean Theorem
How to find the short leg and hypotenuse in a 30-60-90 triangle given the long leg.
• 30-60-90 Triangles - Problem 4

Math›Trigonometry›Pythagorean Theorem
How to find the area of an equilateral triangle given only a side length.
• 30-60-90 Triangles - Problem 1

Math›Geometry›Pythagorean Theorem
How to find the long leg and short leg in a 30-60-90 triangle given the hypotenuse.
• 30-60-90 Triangles - Concept

Math›Geometry›Pythagorean Theorem
How to find the legs and hypotenuse in 30-60-90 triangles when given: the short leg, the long leg, or the hypotenuse.
• Using Trigonometric Identities - Problem 3

Math›Precalculus›Trigonometric Functions
How to prove an identity using a Pythagorean identity and algebra.
• Trigonometric Identities - Problem 1

Math›Trigonometry›Trigonometric Functions
How to use the Pythagorean identity to find cosine and tangent when sine is known.
• Using Trigonometric Identities - Problem 1

Math›Precalculus›Trigonometric Functions
How to prove an identity using a Pythagorean identity and algebra.
• Using Trigonometric Identities - Problem 1

Math›Trigonometry›Trigonometric Functions
How to prove an identity using a Pythagorean identity and algebra.
• Using Trigonometric Identities - Problem 3

Math›Trigonometry›Trigonometric Functions
How to prove an identity using a Pythagorean identity and algebra.
• Trigonometric Identities - Problem 1

Math›Precalculus›Trigonometric Functions
How to use the Pythagorean identity to find cosine and tangent when sine is known.
• Trigonometric Identities - Concept

Math›Trigonometry›Trigonometric Functions
How to use the unit circle to derive the tangent identity and the Pythagorean identity.
• Using Trigonometric Identities - Problem 2

Math›Trigonometry›Trigonometric Functions
How to simplify a trigonometric expression using a Pythagorean identity and algebra.
• Using Trigonometric Identities - Problem 2

Math›Precalculus›Trigonometric Functions
How to simplify a trigonometric expression using a Pythagorean identity and algebra.
• Trigonometric Identities - Concept

Math›Precalculus›Trigonometric Functions
How to use the unit circle to derive the tangent identity and the Pythagorean identity.
• The Reciprocal Trigonometric Functions - Concept

Math›Trigonometry›Trigonometric Functions
How to define the reciprocal trigonometric functions, the reciprocal identities, and the Pythagorean identities.
• The Reciprocal Trigonometric Functions - Concept

Math›Precalculus›Trigonometric Functions
How to define the reciprocal trigonometric functions, the reciprocal identities, and the Pythagorean identities.