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Wewaii [24]
3 years ago
7

Help me !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
podryga [215]3 years ago
3 0

Step-by-step explanation:

and and get some tonight at work today but it will take him home to a and then you can see to do with me for a bit of the time and

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Prove Euler's identity using Euler's formula.<br> e^ix = cos x + i sin x
Korolek [52]

First list all the terms out.

e^ix = 1 + ix/1! + (ix)^2/2! + (ix)^3/3! ...

Then, we can expand them.

e^ix = 1 + ix/1! + i^2x^2/2! + i^3x^3/3!...

Then, we can use the rules of raising i to a power.

e^ix = 1 + ix - x^2/2! - ix^3/3!...

Then, we can sort all the real and imaginary terms.

e^ix = (1 - x^2/2!...) + i(x - x^3/3!...)

We can simplify this.

e^ix = cos x + i sin x

This is Euler's Formula.

What happens if we put in pi?

x = pi

e^i*pi = cos(pi) + i sin(pi)

cos(pi) = -1

i sin(pi) = 0

e^i*pi = -1 OR e^i*pi + 1 = 0

That is Euler's identity.

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3 years ago
What is the average score for 98, 111 and 106
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to find average get all of the values (98,111,106) and add them up. then do the sum of 98+111+106 divided by total number if values (3)
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