1 / 8

Trigonometry

Trigonometry. 3.1 R eference Angles. Reference angle. For any angle θ in standard position it is the positive acute angle between the terminal side of θ and the x-axis. Reference angle Theorem. A trig function of an angle and its reference angle will differ at most in sign. Examples.

natan
Download Presentation

Trigonometry

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. Trigonometry 3.1 Reference Angles

  2. Reference angle For any angle θin standard position it is the positive acute angle between the terminal side of θand the x-axis.

  3. Reference angle Theorem A trig function of an angle and its reference angle will differ at most in sign.

  4. Examples Find the exact value of cos 495°

  5. Find θif sin θ = -0.3090 with θin QIV.

  6. Homework Page 113: 1-79 odds

More Related