Use given information to find (a) sin(s+t), (b) tan(s+t), and (c) the
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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Question
Use given information to find (a) sin(s+t), (b) tan(s+t), and (c) the quadrant of s+t.
Transcribed Image Text:8:14 PM Mon Feb 28
* 53%
+ :
2
(87) Sin S= 3 and Sin t = 3 , S in quadrant I and t in quacrant IV
%D
Sin (stt) = Sinscost - CoS s Sin t
V5
CoS s=-
3
2
()) - (-
V5
2UZ
-V5
COS t=
3
-1
| 4位-后
學
%3D
fans ttant
2?+ b? = 32
-124b? = 32
tan (Stt) = |- tans tant
2V5 2VZ
2 3
3 -15 =
2 5
15 U5
205
5= tans
愛。吉毒--击
I 20ž 21Z
2位 22
3
b = 5
b= 2UZ
I+ (-4)
= tant
4
N/3
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