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
VashaNatasha [74]
3 years ago
8

The expression sin 50 cos 40 + cos 50 sin 40 is equivalent to

Mathematics
1 answer:
enyata [817]3 years ago
8 0
Sin (a+b) = sin a. cos b + cos a. sin b

a= 50° and b=40°, then

sin(50+40) = sin 50° . cos 40° + cos 50° . sin 40°

sin(50+40) = sin 90° = 1 and

sin 50° . cos 40° + cos 50° . sin 40° = 1
You might be interested in
Find the percent of discount for $70 discounted to $63. Round to the nearest percent.
aksik [14]
70 x P = 63
P=63/70 = 0.9
Since P is 1-the discount
1-discount= 0.9
discount is 0.1, or 10 %
5 0
3 years ago
Order the following numbers from least to greatest.<br> 64 cubicle root 18 cubicle root 4.2
Mrrafil [7]
It would be 4.2, 19 cubic root, and 64 cubic root (least to greatest)
3 0
3 years ago
The quotient of 48 and x
Romashka-Z-Leto [24]

Answer: Quotient means when you divided a number by another number.

Our first number will be 48 and also in this problem lets have that second "number" be x.

So 48/x is the quotient.

5 0
3 years ago
830040 in expanded form with exponets
weeeeeb [17]
830,040 = 8 x 10^5 + 3 x 10^4 + 4 x 10
3 0
3 years ago
Lilly owes $52,000 in student loans for college. If the loan will be repaid in 5.5 years and the interest rate charged is 6.75%,
Novay_Z [31]
An = P(1 + r)^n
An = 52000(1 + 6.75/100)^5.5 = 52000(1.0675)^5.5 = $74,477.78

3 0
4 years ago
Other questions:
  • A truck cost $21,000.00 with an estimated salvage value of $1,000.00. It has an estimated useful life of 5 years. If the truck w
    14·1 answer
  • What are all the measure if angles
    13·1 answer
  • 2√72÷√8±√2<br><br> I Need help with this question fast
    6·1 answer
  • A painting is 24 in. Wide by 32in. Long. The width of a postcard reductions of the painting is 3in. How long is the postcard
    10·1 answer
  • Find the value of (6^0 − 7^0) × (6^0 + 7^0)
    11·2 answers
  • A coffee maker priced at $189.99 is on sale for 20% off but then sales tax of 9% and 8% are added to the price after discount. W
    6·1 answer
  • Given f(x)= -5x + 1, solve for x when f(x) = 6.
    6·2 answers
  • Math need help asap, please!!! 19 points if you help. NO LINKS
    8·1 answer
  • Is a measure of 24 inches "far away from a mean of 16 inches? As someone with knowledge of statistics, you answer it depends" an
    5·1 answer
  • PLEASE HELP ILL DO THE SAME PLEASE AND I NEED STEP BY STEP IM TRYING TO LEARN :(
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!