Find all of the solutions of the equation 6cos²x-cosx-1=0 on the interval [0, 360°]. Approximate your answer to the nearest tenth if necessary. O 30°,330° O 109.5°, 250.5°, 30°, 330* O 109.5°,250.5° O 109.5°, 250.5°, 60°, 300°
Find all of the solutions of the equation 6cos²x-cosx-1=0 on the interval [0, 360°]. Approximate your answer to the nearest tenth if necessary. O 30°,330° O 109.5°, 250.5°, 30°, 330* O 109.5°,250.5° O 109.5°, 250.5°, 60°, 300°
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 56E
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Find all of the solutions of the equation 6cos2x-cosx-1=0 on the interval [0, 360°]. Approximate your answer to the nearest tenth if necessary.
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O 109.5°, 250.5°, 30°, 330°
O 109.5°, 250.5°
O 109.5°, 250.5°, 60°, 300°
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Transcribed Image Text:-1
a
shift
Find all of the solutions of the equation 6cos2x-cosx-1=0 on the interval [0, 360°]. Approximate your answer to the nearest tenth if necessary.
1080-
tab
EN
30°,330°
O 109.5°, 250.5°, 30°, 330°
O 109.5°, 250.5°
O 109.5°, 250.5°, 60°, 300°
esc
AMD
!
GRAPHICS
1
q
RADEON
a
@
2
N
alt
W
S
#
W =
3
X
e
C
d
$
4
r
C
%
5
f
t
V
acer
Oll
A
6
g
y
b
&
7
O
h
u
*
8
n
O
i
(
9
k
m
4
O
)
0
<
I
1
33 Nov 7
alt
4
Р
-
;
5:50 OA O
+
{
[
ctri
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1
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