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4vir4ik [10]
3 years ago
15

Prove this ~ cosx/1-tanx + sinx/1-cotx = cosx + sinx

Mathematics
1 answer:
bearhunter [10]3 years ago
3 0

The solution is attached in the image below. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

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Stefa's family driving across the country. They have already traveled 1700 miles of the 2200 trip.how much farther do they need
8090 [49]

Answer:

2200-1700=500

Step-by-step explanation:

7 0
3 years ago
Which formula can be used to find the nth term in a geometric sequence where
VikaD [51]
Hello : 
<span>the nth term in a geometric sequence where is ; 
an = a1 ×qn     .... q : common ratio       a1 the first term
exempl : 
C) an  =  2×3^n-1
an =2×3^n ×3^-1
an =(2/3)×3^n
a1 = 2/3  and q= 3
same method for : D

</span>
6 0
3 years ago
Read 2 more answers
Which of the following is the complete list of roots for the polynomial function f (x) = (x2 + 6x + 8) (x2 + 6x + 13)?
Natali5045456 [20]

Answer:

-2, -4, -3 + 2i, -3-2i

Step-by-step explanation:

Equaling the function to zero we have:

(x ^ 2 + 6x + 8) (x ^ 2 + 6x + 13) = 0  

For the first parenthesis we have:

(x ^ 2 + 6x + 8) = 0\\(x + 4) (x + 2) = 0  

Therefore the roots are:

x = - 4\\x = - 2  

For the second parenthesis we have:

(x ^ 2 + 6x + 13) = 0  

By completing squares we have:

x ^ 2 + 6x = -13  

x ^ 2 + 6x + (\frac{6}{2}) ^ 2 = -13 + (\frac{6}{2}) ^ 2\\x ^ 2 + 6x + 9 = -13 + 9\\(x + 3) ^ 2 = - 4\\x + 3 = +/- \sqrt{-4}    

Therefore the roots are:

x = -3 + 2i\\x = -3 - 2i  

Hope this was helpful

6 0
3 years ago
Translate the sentence into an equation.
coldgirl [10]

Hey there!

We want to multiply a certain quantity by 2, so we will put the two outside of parentheses and put our variable (x) minus two inside the parentheses to represent this. This will all equal two.

2(x-6)=2

The unknown number is also 7.

I hope that this helps!

7 0
3 years ago
PLZ HELP ME I DON'T KNOW
Annette [7]

Answer:

44

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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