Trigonometry Question

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Step 1

Given, the angle A is 70° and the sides are b = 8 and c = 16. We have to calculate the area of the triangle.

Step 2

Formula used:

1. Co-sine Rule

              Trigonometry homework question answer, step 2, image 1

2. The area of the triangle is by Heron’s Formula

Trigonometry homework question answer, step 2, image 2

               

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