sin a =- 5 sas 2n cos B=- TSBS 17' Given: 2 Sin'a-Cosa Sin? %3 -Cos a=! cos'a sin B= SinB -8-64 1. COS a = 2. %3D 2. b82 Sin B CosB' 17 Sin 25Cos a tan a = Sina 7osa 3. 4. tan B = -3/5 - 4/5 sin(a+B)= Sin ACasB+ SinBCesA -3.5.15 15 17 4 20 5. 15 36 85 24 85 85 cos 2ß = 2C0s B5in-B 6.

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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Did I do 5 and 6 correctly? More importantly number 6?

Sin -Cosa-
3.
sin a =-
8.
5'
Sas2n cos B =
TSBS
17
Given:
22-Cos'a
cos a = Si,a-Cos'a
Sin? - Cos'a=1
sin ß = Sin B-Co-
-8?-14
/5
1.
%3D
2.
%3D
2.
Cosa
%3D
%3D
b82
Sin B
CosB
25
17
Sin
25Cosa -1
Sina
Tosa
-3.5.15
3.
tan a =
tan B =
4.
%3D
- 3/%
15
17
1.
20
-4/5
4
sin(a+ B)= Sin ACOSB+ Sin BCesA
SA7
5.
%3D
15
L/3-
34
85
24
85
85
cos 2ß = 2C0sBSin-B
6.
L7
Transcribed Image Text:Sin -Cosa- 3. sin a =- 8. 5' Sas2n cos B = TSBS 17 Given: 22-Cos'a cos a = Si,a-Cos'a Sin? - Cos'a=1 sin ß = Sin B-Co- -8?-14 /5 1. %3D 2. %3D 2. Cosa %3D %3D b82 Sin B CosB 25 17 Sin 25Cosa -1 Sina Tosa -3.5.15 3. tan a = tan B = 4. %3D - 3/% 15 17 1. 20 -4/5 4 sin(a+ B)= Sin ACOSB+ Sin BCesA SA7 5. %3D 15 L/3- 34 85 24 85 85 cos 2ß = 2C0sBSin-B 6. L7
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