1 / 9

Sum and Difference Identities

Sum and Difference Identities. T, 11.0 Students demonstrate an understanding of half-angle and double-angle formulas for sines and cosines and can use those formulas to prove and/or simplify other trigonometric identities. . Sum and Difference Identities. Objectives. Key Words:.

tosca
Télécharger la présentation

Sum and Difference Identities

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Sum and Difference Identities T, 11.0 Students demonstrate an understanding of half-angle and double-angle formulas for sines and cosines and can use those formulas to prove and/or simplify other trigonometric identities.

  2. Sum and Difference Identities Objectives Key Words: Difference Identity for Cosine Sum Identity for Cosine • Use the sum and difference identities for the sine, cosine, and tangent functions • Cosine Function • Sine Function • Tangent Function

  3. Pre-requisite Check What does the symbol mean? Identify the two expressions Solve: Solve:

  4. Sum and Difference Identities for the Tangent Function

  5. Example 1 Use the sum or difference identity for tangent to find the exact value of tan 345°.

  6. Examples You Try:

  7. Example 2

  8. Example You Try:

  9. Conclusions Summary Assignment Pg 442 (18,20,25,28,30,38) Complete assignment in class • Write the sum and difference identities for the tangent function as two equations.

More Related