SnB tan B= SB %3D 15 17 一号-音 - 1s 17 120 289 17 17
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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Could you check number 4?
Transcribed Image Text:g -cos a
3
sin a
sas 2n
5'
Cos B =
17
Given:
2
Sia-Cos'a
2 sin ß= Si, B-CoB=1
225
1.
COS a =
2.
%3D
Sin?-/s -Cos
a=1 as'e
15
17
-8?14
1-%39
20
%3D
Sin
23こc0s'a - 1
tan a = Sina
17
SinB
びっB
3.
4.
tan B =
-3/5
-3.5
15
リ7
4
120
289
sin(a+B)= Sin ACoSB+ SinBCesA
17
17
5.
17
(15 (4
2.
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