1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
marin [14]
2 years ago
5

Sin a_____=1/2 [sin (a + b) + sin (a - b)]

Mathematics
1 answer:
QveST [7]2 years ago
7 0

Answer:

\textbf{A.} \cos b

Step-by-step explanation:

\dfrac 12 \left[\sin(a+b)+\sin(a-b) \right]\\\\\\=\dfrac 12\left[ 2 \sin a \cos b\right]\\\\\\=\sin a \cos b

You might be interested in
write a conjecture as to the number of sides as compared to the number of triangles formed when drawing diagonals from one verte
amm1812

1Answer:

Step-by-step explanation:

3 0
3 years ago
HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP!
ycow [4]

Answer:

Im answering in a sec

First is 0

X 4 Y 0

second is 2

X 6 Y 2

Third is 4

X 8 Y 4

PLS mark brainiest if correct

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
members of students council set up 96 chairs for a school meeting. they placed the chairs in rows,with an equal number of chairs
Sauron [17]

Answer:

6

Step-by-step explanation:

96÷5=19.2

<u>96÷6=16</u>

96÷10=9.6

96÷14=6.857142~

6 0
3 years ago
The value (in cents) of the change in a purse that contains twice as many nickels as pennies, four more dimes than nickels, and
Greeley [361]
<span>2+4+12+16=34 COINS TOTAL.
</span><span>
</span>
7 0
4 years ago
Why should you look out for a pig that knows karate?
kipiarov [429]
It might give you a pork chop....
Math teachers usually give this riddle for you tio make a sentence from correct letters....
Hope I could help :)<span />
5 0
3 years ago
Read 2 more answers
Other questions:
  • The bakers at healthy bakery can make 320 bagels in 5 hours. How many bagels can they bake on 20 hours? What was that rate per h
    13·1 answer
  • Yesterday morning at 8 a.m. the temperature was -14˚F. At noon it was 10 degrees warmer. The temperature increase between noon a
    15·2 answers
  • Forty-two divided by seven plus the quantity three divided by six 1. Write the numerical expression. 2. Evaluate within parenthe
    8·2 answers
  • Calculate each mountain path grade to the nearest percent. Path A for every 31 meters of horizontal​ distance, the vertical chan
    9·1 answer
  • A population of 1236000 grows 1.3%per year. Find the population after 10 years
    5·1 answer
  • Find the original price of each item round your answer to the nearest dollar ? ​
    5·1 answer
  • The public library charges two dollar fine each day for overdue movie rentals Beth return a movie seven days late use an integer
    8·2 answers
  • Help hfdbvhjbdfjkn fkjvbkjshf huihi i stink at math
    6·1 answer
  • What is the area of this object? ​
    12·1 answer
  • Now write your conclusion in part D as a theorem, and prove the theorem using a two-column proof. When you write the proof, refe
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!