Using the sum and difference identities, which equation is TRUE? 3n A. CoS 37 COS 8. - sin sin = 1 8. 8. O B. (6x + sin sin = -1 CoS COS C. sin (2 + coS 3 = -1 COS O D. cos(x)cos + sin(r)sin - 1 cos(7)COS

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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Using the sum and difference identities, which equation is TRUE?
A.
COS
COS
- sin
sin
= 1
8.
8.
O B.
(67
+ sin
sin
= -1
CoS
COS
(2t
27
= -1
C.
sin
COS
+ CoS
3
cos(*)cos) + sin(2)sin) -1
D.
+ sin(z)sin
= 1
Transcribed Image Text:Using the sum and difference identities, which equation is TRUE? A. COS COS - sin sin = 1 8. 8. O B. (67 + sin sin = -1 CoS COS (2t 27 = -1 C. sin COS + CoS 3 cos(*)cos) + sin(2)sin) -1 D. + sin(z)sin = 1
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