3 years ago

12. Antara yang berikut, yang manakah terlibat dalam sistem mekanikal pintu gelangsar

Mathematics

1 answer:

Dima020 [189]3 years ago

3 0

B ..

............. bbbbbb

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3/4 * 3600 =
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3 years ago

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MrRissso [65]

Answer:

Step-by-step explanation:

y = 6x - 11 If x = 5

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2 years ago

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Nikolay [14]

Answer:

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1 year ago

I NEED HELP PLEASE!!!!!!!

Nostrana [21]

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2 years ago

How did he get this 1/2i ? I dont remember studying this definition in calc 1 neither calc 2!

Hitman42 [59]

The $i$ in the denominator is missing in the second expression. It should be

$\sin at=\dfrac{e^{iat}-e^{-iat}}{2i}$

This follows from

$e^{iat}=\cos at+i\sin at$
$e^{-iat}=\cos at-i\sin at$
$\implies e^{iat}-e^{-iat}=2i\sin at$
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3 years ago