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Rzqust [24]
3 years ago
6

Show that:sin60=2tan60/1+tan²60​

Mathematics
1 answer:
Ulleksa [173]3 years ago
6 0

Answer:

Step-by-step explanation:

2 tan(60) = 2 * (sqrt(3)/2 = sqrt(3)

1 + tan^2(60) = 1/cos^2(60) = 1//1/4 = 4

The answer is going to look a little convoluted but it should be correct.

The answer so far is sqrt(3) /4

sin(60) = sqrt(3)/2    

of the 4, two is needed to get sqrt(3)/2

So far then we have sin(60)/2

If we multiply by 2 as in (sin(60)/2) we get just sin(60)

2* sqrt(3) /4 then  = 2 sin(60)

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A pizzeria sells a round pizza with a diameter of 16 inches.
irinina [24]

Answer:

Square pizza

Step-by-step explanation:

d = Diameter of round pizza = 16 inches

a = Side length of square = 15 inches

More crust means the edge length of the pizza is greater. Edge length is given by the perimeter.

Circumference or perimeter of the round pizza

C=\pi d\\\Rightarrow C=\pi\times 16\\\Rightarrow C=50.27\ \text{inches}

Perimeter of the square is

P=4a\\\Rightarrow P=4\times 15\\\Rightarrow P=60\ \text{inches}

So, the square pizza has more crust compared to the round pizza.

5 0
3 years ago
Help me please I can't figure it out
horsena [70]
Pretty sure the answer is a
5 0
3 years ago
How many times does 100 go into 420
PtichkaEL [24]
It goes into it 4.2 times
8 0
4 years ago
Read 2 more answers
1. What would the value of the inverse of f(x) be if x=27? *
lara31 [8.8K]

Answer:

Y = 1/27x

Step-by-step explanation:

In order to find the inverse we switch places with x and y to get x = y27. In order to even out the equation, we divide both sides by 27 to get our answer. The answer would be y = x/27 or  y = (1/27)x.

Apologies if I'm incorrect.

4 0
3 years ago
William's car used 2 gallons to travel 68 miles. How far can he travel on 9 gallons?
crimeas [40]

Answer:

306 miles

Step-by-step explanation:

68 divided by 2 is 34

34 times 9 equals

7 0
3 years ago
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