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LAR: Yes
Title: Law of Sines and Cosines
Url: http://illuminations.nctm.org/LessonDetail.aspx?id=U177
Publisher: National Council of Teachers of Mathematics
Description: This math unit from Illuminations includes two lessons which help to teach the Law of Sines and the Law of Cosines. The first lesson asks students to use right triangle trigonometry to develop the law of sines. The second lesson uses right triangle trigonometry and the Pythagorean theorem to develop the law of cosines. The materials are intended for grades 9-12 and should require 2 class periods to complete.
LC Classification: Science -- Mathematics -- Geometry -- Analytic geometry -- Straight line and circle. Triangle
Science -- Mathematics -- Geometry -- Trigonometry
Science -- Mathematics -- Geometry -- Trigonometry -- Problems, exercises, examinations
GEM Subject: Mathematics -- Instructional issues
Mathematics -- Geometry
Mathematics -- Trigonometry
Key Concept: Mathematics -- Right triangles
Mathematics -- Triangles
Mathematics -- Trigonometry
Mathematics -- Geometry
Key Concepts Complete: Yes
Resource Type: Instructional Materials
InteractiveResource (DCMI Type Vocabulary)
Lesson Plans
Mathematical Models
Mathematics Materials
Teaching Guides
Format: html
Audience: Secondary Education
Students
Teachers
Language: English
Rights: National Council of Teachers of Mathematics
Access Rights: Free access
Date Of Record Release: 2010-12-09 03:00:03 (W3C-DTF)
Date Last Modified: 2010-12-08 13:52:39 (W3C-DTF)
Source: Scout Staff  Scout Staff
Full Record Views: 80
Resource URL Clicks: 9
Cumulative Rating: NOT YET RATED
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