To describe:The Law of Sine and Cosines for finding measure of the missing angle or side of a
Given data: One missing side or angle of a triangle is to be found using Law of Sine or Cosine.
Method/Formula used:
The Law of Sine states that in a triangle ABC, shown in Fig.1.
The Law of Cosine states,
Description:
Suppose two sides a , b and one angle B of a triangle is given then using Sine law angle A can be found as:
If two angles A , B and one side b of a triangle is given then using Sine law side a can be found as:
If two sides a , b and one angle C of a triangle is given then using Cosine law side c can be found as:
If three sides a , b , and c are given then angle A can be found as:
Chapter 14 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
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