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Math help!

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AlienMaxHD

Can someone help me? I would be very thankful.

5.)
Point C is a fixed point in function f if f(c)=c is true.
Search for a fixed point of f(x)= 5 cos x/5
(Note: Observe the function g(x)=f(x)-x and its nullpoints)

10 years ago*

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15 Comments
Deal2MC

the answer is 2,000,001

10 years ago
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AlienMaxHD

Well..... Thanks for trying......

10 years ago
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tork1234

correction 2,000,001.69

10 years ago
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FenrirG

42?

10 years ago
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740kt

Wolfram Alpha is great for this stuff.

10 years ago
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AlienMaxHD

The problem is i don't need only answer, I also need procedure (how did I get that number).

10 years ago
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740kt

If you're allowed to use a calculator, you can simply say you graphed the function 5*cos(x/5)-x and found where it equals 0. Otherwise, I can't imagine how you would be able to find that decimal by hand.

10 years ago
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AlienMaxHD

Ok. Thank you for your time and help. Have a nice day!

10 years ago
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FluxIncapacitor

Most graphing calculators also have Zero functions. Use that.

10 years ago
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mattk9609

https://www.mathway.com/

10 years ago
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dalkiel679

3.69543/5 = cos(3.69543/5)

10 years ago
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moyako1802

420

10 years ago
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DoctorHolmes

blaze it

10 years ago
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Skaboomatude

https://www.khanacademy.org/ <---- math happens here :) one of the best sites to learn math

10 years ago
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Deleted

This comment was deleted 3 years ago.

10 years ago
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Closed 10 years ago by AlienMaxHD.