1 / 7

Understanding Special Angles: Trigonometric Values for 30° and 60° in Equilateral Triangles

Master the special angles of 30° and 60° through the properties of equilateral triangles. Learn how to drop a perpendicular bisector to create a 30-60-90 triangle. Memorize key trigonometric values using the SOH-CAH-TOA method for both angles. This guide also covers reference angles and the trigonometric values for 120°, exploring how these relate to the quadrants. Perfect your understanding and application of trigonometric functions to succeed in your math studies. Homework exercises are provided to reinforce these concepts.

dysis
Download Presentation

Understanding Special Angles: Trigonometric Values for 30° and 60° in Equilateral Triangles

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. 7.3 Special Angles(30 & 60)

  2. Equilateral Triangle 60 angles w/ sides = 1 Drop Perpendicular Bisector to form 30-60-90  60 30 1 1 60 60 60 1 30

  3. Memorize!! Trig Values for 30 SOH – CAH – TOA 60 Hyp Opp 30 Adj = 2 reciprocals

  4. Memorize!! Trig Values for 60 SOH – CAH – TOA 60 Hyp Adj 30 Opp reciprocals = 2

  5. Related (Reference) Angles Positive acute  that terminal side makes w/ x-axis y Reference  for 120 is 60 Have SAME trig values, except possibly sign Sign depends on Quadrant the  is in 120 60 x

  6. Find the exact values of the trig functions of 120 y 120 Reference  for 120 is 60 Trig Values same as 60 except signs 120 is in QII, x is (–), y is (+) 60 x

  7. Homework #706 Pg. 407 59, 61 – 63, 66 & Do angles & Memorize 30 & 60 Trig Values

More Related