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Reference Angles and Angles in the Unit Circle: Exploring Reference Angles InteractiveReference Angles and Angles in the Unit Circle: Exploring Reference Angles Interactive
Publisher
CK-12 Foundation
Resource Details
Curator Rating
Educator Rating
Not yet Rated
Grade
10th - 12th
Subjects
Math
1 more...
Resource Type
Interactives
Audiences
For Teacher Use
1 more...
Duration
30 mins
Instructional Strategies
Direct Instruction
1 more...
Technology
Video
Internet Access
Accessibility
Larger Text
Year
2015
Usage Permissions
Creative Commons
BY-NC: 3.0
cc
Interactive

Reference Angles and Angles in the Unit Circle: Exploring Reference Angles

Curated and Reviewed by Lesson Planet
This Reference Angles and Angles in the Unit Circle: Exploring Reference Angles interactive also includes:
  • Determining Trig Function Values Using Reference Angles and Reference Triangles
  • Student Reference
  • Join to access all included materials

A steal of a deal — get four angles for the value of one. An interactive resource allows individuals to visualize all four angles that have the same reference angle. Pupils answer questions by using the interactive to create the reference angle and their knowledge of trigonometric functions.

3 Views 2 Downloads
CCSS: Designed

Concepts

reference angle, terminal side, trigonometric functions, unit circle, special right triangles, cosine, sine, tangent

Additional Tags

math

Instructional Ideas

  • Review the relationships between the sides in special right triangles

Classroom Considerations

  • Requires a login for a free account
  • The class should know the definition of trigonometric functions

Pros

  • The reference sheet contains example problems
  • Includes hints for the difficult problems

Cons

  • None

Common Core

HSF-TF.A.2 HSF-TF.A.4

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