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: https://www.media4math.com/library/worksheet-ti-nspire-mini-tutorial-cas-trig-identities-addition-and-subtraction-identities

A Video Transcript is available for this tutorial at this Link

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The definition of the term: Cosine Difference Identity.

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The definition of the term "Cosine Ratio."

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The definition of the term: Cosine Sum Identity.

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The definition of the term "Cotangent Ratio."

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Definition of the term "Law of Cosines."

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The definition of the term "Law of Sines."

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The definition of one of the Pythagorean Identities.

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The definition of one of the Pythagorean Identities.

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The definition of one of the Pythagorean Identities.

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The definition of the term "Secant Ratio."

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The definition of the term: Sine Difference Identity.

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The definition of the term "Sine Ratio."

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The definition of the term: Sine Sum Identity.

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The definition of the term: Tangent Difference Identity.

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The definition of the term "Tangent Ratio."

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The definition of the term: Tangent Sum Identity.

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The definition of the term "Trig Ratios."

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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: https://www.media4math.com/library/worksheet-ti-nspire-mini-tutorial-cas-trig-identities-addition-and-subtraction-identities

A Video Transcript is available for this tutorial at this link: Link.

Note: The download is an MP4 file.

This is the transcript for the TI-Nspire Mini-Tutorial entitled, Trig Identities: Addition and Subtraction Identities for Sine and Cosine.

The corresponding video is at this Link.

Note: The download is a PDF file.

This worksheet supports the TI-Nspire Mini-Tutorial video. It provides all the keystrokes for the activity. Note: This worksheet supports the TI-Nspire Clickpad and Touchpad. To access the Mini-Tutorial Video associated with this worksheet click on this link: Video

Note: The download is a PDF file.

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To see the complete collection of Worksheets on this topic, click on this link: https://bit.ly/2Xk8W8q