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CCSS

These are the resources that support this Common Core Standard.

CCSS.MATH.CONTENT.HSF.TF.C.8: Prove the Pythagorean identity sin2(θ) + cos2(θ) = 1 and use it to find sin(θ), cos(θ), or tan(θ) given sin(θ), cos(θ), or tan(θ) and the quadrant of the angle.

There are 29 resources.
Title Description Thumbnail Image Curriculum Topics

Closed Captioned Video: Trig Identities

Closed Captioned Video: Trig Identities

In this TI Nspire tutorial for the TI-Nspire CAS, the Calculator window is used to find the trigonometric identities for addition and subtraction of sine and cosine. This video supports the TI-Nspire Clickpad and Touchpad. This Mini-Tutorial Video includes a worksheet. .

Closed Captioned Video: TI-Nspire Mini-Tutorial: (CAS) Trig Identities: Addition and Subtraction Identities for Sine and Cosine Trig Expressions and Identities

Definition--Geometry Basics--Pythagorean Identity 1

Definition--Geometry Basics--Pythagorean Identity 1

This collection of clip art images includes image sequences for key topics in geometry. This includes points, lines, planes, angles, triangles, quadrilaterals, and polygons. Each sequence of images provides an overview of the topic.

Definition--Geometry Basics--Pythagorean Identity 1 Trig Expressions and Identities

Definition--Geometry Basics--Pythagorean Identity 2

Definition--Geometry Basics--Pythagorean Identity 2

This collection of clip art images includes image sequences for key topics in geometry. This includes points, lines, planes, angles, triangles, quadrilaterals, and polygons. Each sequence of images provides an overview of the topic.

Definition--Geometry Basics--Pythagorean Identity 2 Trig Expressions and Identities

Definition--Geometry Basics--Pythagorean Identity 3

Definition--Geometry Basics--Pythagorean Identity 3

This collection of clip art images includes image sequences for key topics in geometry. This includes points, lines, planes, angles, triangles, quadrilaterals, and polygons. Each sequence of images provides an overview of the topic.

Definition--Geometry Basics--Pythagorean Identity 3 Trig Expressions and Identities

Definition--Geometry Basics--Pythagorean Theorem

Definition--Geometry Basics--Pythagorean Theorem

This collection of clip art images includes image sequences for key topics in geometry. This includes points, lines, planes, angles, triangles, quadrilaterals, and polygons. Each sequence of images provides an overview of the topic.

Definition--Geometry Basics--Pythagorean Theorem Right Triangles

Definition--Trig Concepts--Cosine Difference Identity

Definition--Trig Concepts--Cosine Difference Identity

This is part of a collection of terms and definitions related to trigonometry concepts.

Definition--Trig Concepts--Cosine Difference Identity Trig Expressions and Identities

Definition--Trig Concepts--Cosine Ratio

Definition--Trig Concepts--Cosine Ratio

This is part of a collection of terms and definitions related to trigonometry concepts.

Definition--Trig Concepts--Cosine Ratio Trig Expressions and Identities

Definition--Trig Concepts--Cosine Sum Identity

Definition--Trig Concepts--Cosine Sum Identity

This is part of a collection of terms and definitions related to trigonometry concepts.

Definition--Trig Concepts--Cosine Sum Identity Trig Expressions and Identities

Definition--Trig Concepts--Cotangent Ratio

Definition--Trig Concepts--Cotangent Ratio

This is part of a collection of terms and definitions related to trigonometry concepts.

Definition--Trig Concepts--Cotangent Ratio Trig Expressions and Identities

Definition--Trig Concepts--Law of Cosines

Definition--Trig Concepts--Law of Cosines

This is part of a collection of terms and definitions related to trigonometry concepts.

Definition--Trig Concepts--Law of Cosines Trig Expressions and Identities

Definition--Trig Concepts--Law of Sines

Definition--Trig Concepts--Law of Sines

This is part of a collection of terms and definitions related to trigonometry concepts.

Definition--Trig Concepts--Law of Sines Trig Expressions and Identities

Definition--Trig Concepts--Secant Ratio

Definition--Trig Concepts--Secant Ratio

This is part of a collection of terms and definitions related to trigonometry concepts.

Definition--Trig Concepts--Secant Ratio Trig Expressions and Identities

Definition--Trig Concepts--Sine Difference Identity

Definition--Trig Concepts--Sine Difference Identity

This is part of a collection of terms and definitions related to trigonometry concepts.

Definition--Trig Concepts--Sine Difference Identity Trig Expressions and Identities

Definition--Trig Concepts--Sine Ratio

Definition--Trig Concepts--Sine Ratio

This is part of a collection of terms and definitions related to trigonometry concepts.

Definition--Trig Concepts--Sine Ratio Trig Expressions and Identities

Definition--Trig Concepts--Sine Sum Identity

Definition--Trig Concepts--Sine Sum Identity

This is part of a collection of terms and definitions related to trigonometry concepts.

Definition--Trig Concepts--Sine Sum Identity Trig Expressions and Identities

Definition--Trig Concepts--Tangent Difference Identity

Definition--Trig Concepts--Tangent Difference Identity

This is part of a collection of terms and definitions related to trigonometry concepts.

Definition--Trig Concepts--Tangent Difference Identity Trig Expressions and Identities

Definition--Trig Concepts--Tangent Ratio

Definition--Trig Concepts--Tangent Ratio

This is part of a collection of terms and definitions related to trigonometry concepts.

Definition--Trig Concepts--Tangent Ratio Trig Expressions and Identities

Definition--Trig Concepts--Tangent Sum Identity

Definition--Trig Concepts--Tangent Sum Identity

This is part of a collection of terms and definitions related to trigonometry concepts.

Definition--Trig Concepts--Tangent Sum Identity Trig Expressions and Identities

Definition--Trig Concepts--Trig Ratios

Definition--Trig Concepts--Trig Ratios

This is part of a collection of terms and definitions related to trigonometry concepts.

Definition--Trig Concepts--Trig Ratios Trig Expressions and Identities

INSTRUCTIONAL RESOURCE: Tutorial: What Is an Identity?

INSTRUCTIONAL RESOURCE: Tutorial: What Is an Identity?

An identity is a special type of equation. It includes at least one variable and an identity is true for all values of the variable. Note: The download is a PDF.

What Is an Identity? Applications of Equations and Inequalities

Math Example--Trig Concepts--Working with Trig Identities--Example 1

Math Example--Trig Concepts--Working with Trig Identities--Example 1

This is part of a collection of math examples that focus on Trig concepts.

Math Example--Trig Concepts--Working with Trig Identities--Example 1 Trig Expressions and Identities

Math Example--Trig Concepts--Working with Trig Identities--Example 2

Math Example--Trig Concepts--Working with Trig Identities--Example 2

This is part of a collection of math examples that focus on Trig concepts.

Math Example--Trig Concepts--Working with Trig Identities--Example 2 Trig Expressions and Identities

Math Example--Trig Concepts--Working with Trig Identities--Example 3

Math Example--Trig Concepts--Working with Trig Identities--Example 3

This is part of a collection of math examples that focus on Trig concepts.

Math Example--Trig Concepts--Working with Trig Identities--Example 3 Trig Expressions and Identities

Math Example--Trig Concepts--Working with Trig Identities--Example 4

Math Example--Trig Concepts--Working with Trig Identities--Example 4

This is part of a collection of math examples that focus on Trig concepts.

Math Example--Trig Concepts--Working with Trig Identities--Example 4 Trig Expressions and Identities

Math Example--Trig Concepts--Working with Trig Identities--Example 5

Math Example--Trig Concepts--Working with Trig Identities--Example 5

This is part of a collection of math examples that focus on Trig concepts.

Math Example--Trig Concepts--Working with Trig Identities--Example 5 Trig Expressions and Identities

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Media4Math's mission is to educate 21st-century students in real-world applications of math with digital technology. We bring math to life in your classroom with a rich blend of resources to inspire your students to learn. Our philosophy is that the procedural side of math is a prerequisite to using it, but we also find that real-world math applications can provide motivation and even inspiration for math students. Math is its own language and it has important stories to tell. While many of our resources are for procedural skills, there are many resources that are real-world applications of math. Some of these resources rely on partnerships with other educational publishers.

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Media4Math Classroom modules provide real world applications of math that will motivate your students. Here are some examples:

  • Construction Site Math. Apply ratios and proportions to mixtures of cement and concrete. This module includes video resources and your students will get a real-world application of ratios and proportions.
  • Counting Bison. Apply place value concepts to the real-world application of the bison population. Because the bison population has gone through dramatic changes in population, this become an opportunity to use and apply place value.
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To learn more about our subscription packages, contact us at admin@media4math.com.

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Media4Math prides itself on its strategic partnerships with other educational organizations. Our partnerships include the following partners:

  • Google Earth. Media4Math has partnered with GoogleEarth to create a comprehensive library of GoogleEarth Voyager Stories. These map-based explorations of geometry, geography, and culture will literally bring the math to life. See our collection of Voyager Stories by clicking on this link to the Google Earth resources. 

    Link to the GoogleEarth site.

  • Texas Instruments. TI is the leading provider of graphing calculators used in the classroom. Media4Math has partnered with TI to create a library of digital resources to support the use of these graphing calculators. These resources include videos, presentations, and related tutorials. See our collection of TI resources by clicking on this link to the TI resources. 

    Link to the Media4Math publisher page on the TI site.

  • Desmos. This free online resource that includes a graphing calculator and geometry tools. Media4Math has created an extensive library of resources that support the use of these Desmos resources. See our collection of Desmos resources by clicking on this link to the Desmos resources.

    Link to the Desmos site.

  • Quizlet. We have partnered with the leading provider of interactive Flash Cards and is used by millions of teachers and students around the world. Media4Math has developed an extensive library of Quizlet resources. See our collection of Quizlet resources by clicking on this link to the Quizlet resources.

    Link to the Media4Math Study Sets on Quizlet and search for "Media4Math."

  • The Princeton Review. The Princeton Review is the leading provider of SAT prep and other test preparation courses and tutorials. Media4Math is an affiliate of Princeton Review and we have created a set of free SAT math resources, sponsored by Princeton Review. See this collection of SAT resources by clicking on this link to the Princeton Review resources.

    Link to the Princeton Review site.

If you would like to partner with Media4Math, please reach out to us at admin@media4math.com.


 

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