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Hello please take a look at the picture for the question!

Hello please take a look at the picture for the question!-example-1

1 Answer

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standard form of sine function:

y = a sin (bx+c) + d

Where:

lal = amplitude

For:

y= -3/4 sin θ

a =l -3/4 l (obsolute value )

a= 3/4

Answer: A (3/4)

User Clint Powell
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