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BaLLatris [955]
3 years ago
9

Numbers between 2 and 2 1/2

Mathematics
2 answers:
kotykmax [81]3 years ago
6 0

DAng yhis trash dose not work

Naily [24]3 years ago
6 0
2.1 2.2 2.3 2.4 -
2.0 2.02 2.03 2.04 2.05 etc
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What is tan(θ/2), when tan(θ) = 4/3 and when π < θ < 3π/2?
Tamiku [17]
Tan (Ф/2)=⁺₋√[(1-cosФ)/(1+cosФ)]
if π<Ф<3π/2;
 then,  Where is Ф/2??
π/2<Ф/2<3π/4; therefore Ф/2 is in the second quadrant; then tan (Ф/2) will have a negative value.

tan(Ф/2)=-√[(1-cosФ)/(1+cosФ)]

Now, we have to find the value of cos Ф.
tan (Ф)=4/3
1+tan²Ф=sec²Ф
1+(4/3)²=sec²Ф
sec²Ф=1+16/9
sec²Ф=(9+16)/9
sec²Ф=25/9
sec Ф=-√(25/9)        (sec²Ф will have a negative value, because Ф is in the        sec Ф=-5/3                                 third quadrant).

cos Ф=1/sec Ф
cos Ф=1/(-5/3)
cos Ф=-3/5

Therefore:

tan(Ф/2)=-√[(1-cosФ)/(1+cosФ)]
tan(Ф/2)=-√[(1+3/5)/(1-3/5)]
tan(Ф/2)=-√[(8/5)/(2/5)]
tan(Ф/2)=-√4
tan(Ф/2)=-2

Answer: tan (Ф/2)=-2; when tan (Ф)=4/3


3 0
2 years ago
If f(x)=3x + 6 then what is the inverse of f(x)
kakasveta [241]
Inverse all of the signs it will be (x-6)/3
3 0
2 years ago
Please helpppppppppppppppp
Zina [86]

Answer:

29520728184915396206153835295

3 0
3 years ago
Por que la estadística es una ciencia ???<br><br>​
Volgvan

I would say that statistics is a mathematical subject that allows you to explain scientific data. In a similar fashion, you could use mathematics to explain the various idea in physics as you can use statistics to interpret the results of experiments and the data collected.

Hope that helped!

3 0
2 years ago
A gas tank contains 5.3 gallons.the capacity of the tank is 12.5 gallons.how much will it cost to fill the tank at $1.30 per gal
fredd [130]

Answer:

$9.36

Step-by-step explanation:

First 12.5 - 5.3 = 7.2

7.2 x 1.30 = 9.36

3 0
3 years ago
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