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xeze [42]
3 years ago
10

Product tan1°.tan2°.tan3º......tan89° is:

Mathematics
1 answer:
Gelneren [198K]3 years ago
4 0

\sin(x) = \cos(90-x)  \frac{sin(x)}{cos(90-x)} = 1\\\prod_{n=1}^{89}\tan(n) = \frac{\sin(1)}{\cos(1)} \cdot \frac{sin(2)}{cos(2)}...\frac{sin(89)}{cos(89)} = 1

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A half-dollar is worth 50 cents. how many half-dollar coins equal one doller
igomit [66]
If one is 50 cents, then to get to one dollar we need 2 of those. also, one dollar equals 100 cents, and 50+50=100, so then the answer would be that you need to have 2 coins of the half-dollar to get to 1 dollar. i hope that this  helps you, have a great day! =)
5 0
3 years ago
Read 2 more answers
Investing $27,000 in an account paying 7.25% interest compounded quarterly.
Monica [59]

Answer:

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Step-by-step explanation:

5 0
2 years ago
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1. What is the theoretical probability that the family has two dogs or two cats?
gogolik [260]

let dogs be heads. Let cats be tails. A coin has two sides, in which you are flipping two of them. Note that there can be the possible outcomes  

h-h, h-t, t-h, t-t.  

How this affects the possibility of two dogs & two cats. Note that there are 1/2 a chance of getting those two (with the others being one of each), which means that out of 4 chances, 2 are allowed.  

2/4 = 1/2  

50% is your answer

Heads represents cats and tails represents dogs. There is two coins because we are checking the probability of two pets. You have to do the experiment to get your set of data, once you get your set of data, you will be able to divide it into the probability for cats or dogs. To change the simulation to generate data for 3 pets, simply add a new coin and category for the new pet.

Hope this helps you out!

4 0
3 years ago
Which goes where? Please help
Maurinko [17]

Answer:

first graph is negative

second is undefined

third is zero

fourth is positive

Step-by-step explanation:

If you plug it all in a calculator it will show

4 0
3 years ago
IV.<br> Solve for the Indicated variable.<br> 9) X = 2y – 5, for y<br> 10) 5m = n+p, form
boyakko [2]

Answer:

9,x=2y-5

x+5=2y

x+5/2=y

y =x+5/2

10,5m=n+p

m=n+p/5

5 0
2 years ago
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