Look at an explanation of the trigonometric ratios: sine, cosine and tangent. Adjust the angles of a right angle triangle within a unit circle (radius of one unit). Identify the cosine ratio and enter the cosine values of angles from 0–90 degrees into a table. Answer questions about the cosine values. This learning object is one in a series of ten objects.
Objective
1. Students explore the unit circle definition of trigonometric ratios.
2. Students use a unit circle model to determine values of trigonometric ratios.
Curriculum Information
Education Type
K to 12
Grade Level
Grade 9
Learning Area
Mathematics
Content/Topic
Geometry
Intended Users
Learners, Students
Competencies
Copyright Information
Copyright
Yes
Copyright Owner
Education Services Australia
Conditions of Use
Use, Copy
Technical Information
File Size
0 bytes
File Type
application/x-rar
Software/Plug-in Requirements
Adobe Flash Player - http://get.adobe.com/flashplayer/
