Education Technology

Relatives of the Sine Law

Subject Area
Math: Precalculus: Trigonometric Laws and Identities
Level
9-12
Activity Time
45 Minutes
TI Calculator
TI-Nspire™ Apps for iPad®
TI-Nspire™ CX series
TI-Nspire™ CX CAS/CX II CAS
TI-Nspire Version
3.2
Resource Types
Lessons
Format
TNS

Relatives of the Sine Law

Activity Overview

This lesson involves investigating several variations of the Law of Sines.

Objectives

  • Students will make conjectures about the types of triangles for which certain variations of the Law of Sines are true.
  • Students will verify conjectures using algebraic and trigonometric methods.

Vocabulary

  • Law of Sines
  • Law of Cosines

About the Lesson

This lesson involves investigating several variations of the Law of Sines.
As a result, students will:

  • Make conjectures about the type of triangles for which variations of the Law of Sines are true.
  • Verify conjectures using algebra, the Law of Sines, the Law of Cosines, and other trigonometric identities.

Subject Area
Math: Precalculus: Trigonometric Laws and Identities
Level
9-12
Activity Time
45 Minutes
TI Calculator
TI-Nspire™ Apps for iPad®
TI-Nspire™ CX series
TI-Nspire™ CX CAS/CX II CAS
TI-Nspire Version
3.2
Resource Types
Lessons
Format
TNS
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