Establish the identity. COS O A. OB. Choose the sequence of steps below that verifies the identity. O C. T O D. + Ꮎ == sin 0 COS COS COS COS N RIN EN 2 18 EN + Ꮎ = COS = COS T N - +0 = cos 2 + Ꮎ = COS cos 0 + sin 3r 2 T 3r 2 ... T 2 sin 0 = (0) cos 0 + (1) sin 0 = - sin 0 cos - sin cos 0 + sin 3π T cos - sin sin0 = (0) cos 0 − (1) sin 0 = − sin 2 - 2 sin 0 (0) cos 0 - (-1) sin 0 = - sin 0 = 3r sin = (0) cos 0 + (−1) sin 0 = - sin 0 2

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 43E
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Question
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Establish the identity.
1/2+0)
COS
OA.
Choose the sequence of steps below that verifies the identity.
OB.
O C.
N
O D.
COS
π
+0 = cos cos
COS
COS
= = sin 0
COS
元|2
T
T
T
-
cos + sin sin 0 = (0) cos 0 + (1) sin0 = − sin 0
2
= COS
+ 8) = cos
3t
2
EN
2
5
3π
T
+0 = COS 2
-
2
cos 0 - sin
-
-
cos 0 - sin sin 0 = (0) cos 0 − (1) sin 0 = − sin 0
J
-
3μ
-
sin 0 = (0) cos 0 − (− 1) sin 0 = − sin 0
2
2
cos 0 + sin
3л
sin 0 = (0) cos 0 + (− 1) sin 0 = − sin 0
2
Next
Transcribed Image Text:Establish the identity. 1/2+0) COS OA. Choose the sequence of steps below that verifies the identity. OB. O C. N O D. COS π +0 = cos cos COS COS = = sin 0 COS 元|2 T T T - cos + sin sin 0 = (0) cos 0 + (1) sin0 = − sin 0 2 = COS + 8) = cos 3t 2 EN 2 5 3π T +0 = COS 2 - 2 cos 0 - sin - - cos 0 - sin sin 0 = (0) cos 0 − (1) sin 0 = − sin 0 J - 3μ - sin 0 = (0) cos 0 − (− 1) sin 0 = − sin 0 2 2 cos 0 + sin 3л sin 0 = (0) cos 0 + (− 1) sin 0 = − sin 0 2 Next
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