1 / 11

Double Angle Formulas

Double Angle Formulas. 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. . Double Angle Formulas. Objectives. Key Words. Degrees Radians

quanda
Download Presentation

Double Angle Formulas

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. Double Angle Formulas 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. Double Angle Formulas Objectives Key Words Degrees Radians Double-Angle Identities • Know the double angle identities • Verify more complex trigonometric identities using the basic trigonometric identities, Pythagorean identities, co-function identities, odd/even identities, sum & difference identities, double angle identities, half-angle identities and justify each step in the verification process.

  3. Quick Check Solve Solve

  4. Double Angle Identities

  5. Using the Double Angle Formula

  6. Using the Double Angle Formula

  7. You Try If and has its terminal side in the first quadrant, find the exact value of each function.

  8. You Try If and has its terminal side in the first quadrant, find the exact value of each function.

  9. Verify Trigonometric Identity

  10. You Try

  11. Conclusions Summary Assignment Double Angle Formulas Page 453 #(8-12,21-23,28-30) • Verify that Sin2x cosx – cos2x sinx = sinx is an identity.

More Related