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Vasily Ivanov2021-01-29 00:12:16
Mathematics
Vasily Ivanov, 2021-01-29 00:12:16

How did you get the entry in square brackets?

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I don't understand how they got the bracket entry from e^i(y1+y2)

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3 answer(s)
W
Wataru, 2021-01-29
@wataru

Euler formula .

G
galaxy, 2021-01-29
@galaxy

Have you heard of Euler's formula ?

A
AVKor, 2021-01-29
@AVKor

According to the properties of the exponential function.

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