Identifying parts of a triangle for trigonometry. For the triangle PQR, identify the following: a) The length of the hypotenuse 16 b) The side opposite angle R c) The side opposite angle P 12 d) The side adjacent angle R e) The side adjacent angle P Calculate sin 46° Find ZA when cos ZA = 0.9205 20

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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Identifying parts of a triangle for trigonometry.
For the triangle PQR, identify the following:
a) The length of the hypotenuse
20
16
b) The side opposite angle R
c) The side opposite angle P
R
12
d) The side adjacent angle R
e) The side adjacent angle P
Calculate sin 46°
Find ZA when cos ZA = 0.9205
Transcribed Image Text:Identifying parts of a triangle for trigonometry. For the triangle PQR, identify the following: a) The length of the hypotenuse 20 16 b) The side opposite angle R c) The side opposite angle P R 12 d) The side adjacent angle R e) The side adjacent angle P Calculate sin 46° Find ZA when cos ZA = 0.9205
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