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Trigonometry Project

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Trigonometry Project Thursday: By: Brittany Easter What is Trigonometry? ... The Unit Circle: What is it A unit circle is a circle with a radius of one. – PowerPoint PPT presentation

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Title: Trigonometry Project


1
Trigonometry Project
Thursday
  • By Brittany Easter

2
What is Trigonometry?
  • Trigonometry- a branch of mathematics that
    studies triangles and the relationships between
    their sides and the angles between these sides.

3
When/where did trig originate?
  • Ancient Greece
  • Hipparchus
  • Angles 360 degrees
  • Cosine and Sine

4
Ex. 1
  • Trigonometry is commonly used in finding the
    height of towers and mountains.

5
Ex. 2
  • It is used in finding the distance between
    celestial bodies

6
Ex. 3
  • http//www.youtube.com/watch?vjhakDu-YTEgfeature
    colike

7
Ex. 4
8
Three Most Used Trig Functions and Their Ratios
  • Sine opposite/hypotenuse
  • Cosine adjacent/hypotenuse
  • Tangent opposite/adjacent

9
Interesting Website(s)
  • http//www.mathsisfun.com/geometry/unit-circle.htm
    l

10
Trig Project Idea
  • Create a Math Help web site (must be
    educational and appropriate, possible use in the
    future by your instructor is ideal and desired,
    videos, interactive applets, etc suggested)
  • My idea for this is that we create a website that
    students can go to and use for future homework
    help on math problems. The website doesn't have
    to be all about trigonometry help, it can be
    about other math problems, but I thought it would
    be neat if everyone participated in creating a
    website for this.

11
The Unit Circle
  • What is it
  • A unit circle is a circle with a radius of one.
  • How and why is it used in trigonometry?
  • The center is put on a graph where the x axis and
    y axis cross, so we get this neat arrangement
    here.
  • Are circles and triangles related?
  • In a way, yes.

http//www.youtube.com/watch?vao4EJzNWmK8feature
colike
12
Works Cited
  • http//en.wikipedia.org/wiki/Trigonometry
  • http//malini-math.blogspot.com/2011/08/applicatio
    ns-of-trigonometry-in-real.html
  • http//www.youtube.com/watch?vjhakDu-YTEgfeature
    colike
  • http//htends2infinity.files.wordpress.com/2008/09
    /trig-crater.jpg
  • https//sites.google.com/a/jeffcoschools.us/awhono
    rsprecalc/videosnotes/unit-5---trigonometry/trig-p
    roject
  • http//en.wikipedia.org/wiki/Unit_circle
  • http//www.mathsisfun.com/geometry/unit-circle.htm
    l
  • http//www.youtube.com/watch?vao4EJzNWmK8feature
    colike
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