Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Question
Transcribed Image Text:Esc
Find the exact value of each of the following using a suitable power-reducing formula cos²(67.5°).
85°F
Mostly cloudy
n
O ¹+¹2
F1
7
Q
1-12
2
A
2-√2
4
O
N
2+12
F2
NO
2
W
S
F3
X
Alt
#M
3
E
F4
D
$
4
C
F5
R
F
Q Search
%
5
F6
V
T
F7
4-
Y
F8
&
7
H
A+
N
F9
* 00
★
8
J
CHO
1
F10
M
za
K
F11
L
F12
Alt
O
P
>
Prt Sc
Ctrl
Insert
?
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