1 / 12

Lesson 8.4

Lesson 8.4. Trigonometry. Trigonometry. Definition: “measure of a triangle” Trig ratio: ratio of the lengths of the sides of a right triangle (sine, cosine, tangent). http://www.youtube.com/watch?v=4iC-gjKvc7A. Soh Cah Toa. Sin C =. Cos C =. Cos A =. Tan A =. Sin A =. Tan C =.

haruki
Télécharger la présentation

Lesson 8.4

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. Lesson 8.4 Trigonometry

  2. Trigonometry Definition: “measure of a triangle” Trig ratio: ratio of the lengths of the sides of a right triangle (sine, cosine, tangent). http://www.youtube.com/watch?v=4iC-gjKvc7A

  3. SohCah Toa Sin C = Cos C = Cos A = Tan A = Sin A = Tan C =

  4. Table of Trig Ratios • Use to find sin, cos, and tan values at a certain angle measure. Example 1: Find Cos 42 Example 2: Solve for x….Tan x = .7562

  5. Find the measure of a side using trig

  6. Find the measure of a angle using trig

  7. Marker boards!

  8. Trig Tables! • Sin 67 • Cos 86 • Tan 2 • Cos 34 • Tan 45 • Sin 50 • Sin x = .0913 • Cos x = .7936 • Tan x = .3457 • Cos x = .7071 • Sin x = .0652 • Tan x = 5.6402

  9. Find each value

  10. Find the measure of a side using trig

  11. Find the measure of a angle using trig

  12. Assignment • Workbook p. 103

More Related