10) sin Express the product as a sum containing only sines or cosines. 11) cos(40) cos(30) A) cos 0 9lam70) - sin 0] • cos(70)] B) lcos(70) - cos 0] D) cos2(1202) Express the sum or difference as a product of sines and/or cosines. 12) sin(20) - sin(40) A) -2 sin 0 cos(30) 9-2 sin 0 B) 2 cos(20) cos(30) D) 2 sin(30) cos 0
10) sin Express the product as a sum containing only sines or cosines. 11) cos(40) cos(30) A) cos 0 9lam70) - sin 0] • cos(70)] B) lcos(70) - cos 0] D) cos2(1202) Express the sum or difference as a product of sines and/or cosines. 12) sin(20) - sin(40) A) -2 sin 0 cos(30) 9-2 sin 0 B) 2 cos(20) cos(30) D) 2 sin(30) cos 0
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°.
Related questions
Question
![10) sin
8
10)
A) -
B) -
Express the product as a sum containing only sines or cosines.
11) cos(40) cos(30)
11)
B)lcos(70) - co
A)
| cos 0 + cos(70)]
cos 0]
lcos(70) - sin 0]
D) cos2(1202)
C)
Express the sum or difference as a product of sines and/or cosines.
12) sin(20) - sin(40)
A) -2 sin 0 cos(30)
C) -2 sin 0
12)
B) 2 cos(20) cos(30)
D) 2 sin(30) cos 0
!!! !! ||](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbae7608d-7f6b-4ed8-94b2-0b7eb11e0ad9%2Fd6b9abf1-afb2-41ec-b029-84a907ae1440%2Fdv9f97p_processed.png&w=3840&q=75)
Transcribed Image Text:10) sin
8
10)
A) -
B) -
Express the product as a sum containing only sines or cosines.
11) cos(40) cos(30)
11)
B)lcos(70) - co
A)
| cos 0 + cos(70)]
cos 0]
lcos(70) - sin 0]
D) cos2(1202)
C)
Express the sum or difference as a product of sines and/or cosines.
12) sin(20) - sin(40)
A) -2 sin 0 cos(30)
C) -2 sin 0
12)
B) 2 cos(20) cos(30)
D) 2 sin(30) cos 0
!!! !! ||
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