subject
Mathematics, 10.05.2021 18:40 robert7248

___cosb=1/2[cos(a+b)+cos(a-b)]
A. Sinb
B. Sina
C. Cosb
D. Cosa


___cosb=1/2[cos(a+b)+cos(a-b)]
A. Sinb 
B. Sina 
C. Cosb
D. Cosa

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 16:10
Pls! does anybody know a shortcut for answering these types of questions in the future?
Answers: 3
question
Mathematics, 21.06.2019 21:20
Do you mind if you guys me with this question i’m on number 8
Answers: 1
question
Mathematics, 21.06.2019 22:00
Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false
Answers: 1
question
Mathematics, 21.06.2019 22:30
What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges
Answers: 3
You know the right answer?
___cosb=1/2[cos(a+b)+cos(a-b)]
A. Sinb
B. Sina
C. Cosb
D. Cosa
...
Questions
question
Social Studies, 20.07.2019 16:30
question
Mathematics, 20.07.2019 16:30
question
Computers and Technology, 20.07.2019 16:30
Questions on the website: 13722367