Do you know when to take two answers from the sine law?
Автор: Math U | Step-by-Step
Загружено: 2021-10-29
Просмотров: 590
Описание:
This video teaches when and why you have to take two answers from the sine law when the calculator only gives you one answer.
The Sine law is very useful for solving triangles. It works not only for right triangles, but all kinds, and it can be used to solve for both angles and sides.
Here are three conditions of when you have to take two answers from sine law.
1. The angle given by the question is less than 90.
2. Only one side given by the question is attached to the given angle.
3. The side attached to the angle is longer than the other one.
This is Pre-Calculus 11 according to the BC Curriculum - https://curriculum.gov.bc.ca/curricul...
Timestamps:
0:00 Intro
0:08 Quick Overview of the Sine law
0:35 Using the Sine law to solve a question
1:57 Why Two answers?
3:17 When Two answers?
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