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Mathematics 9 Online
OpenStudy (anonymous):

Find the amplitude y = -5 sin 1/4x

OpenStudy (anonymous):

pi/5 correct

ganeshie8 (ganeshie8):

just 5

OpenStudy (anonymous):

how so? please if u can explain?

ganeshie8 (ganeshie8):

y = a sin(bx+c) amplitude = |a| period = 2pi/b

OpenStudy (anonymous):

ohh ok

ganeshie8 (ganeshie8):

i see you've used the period relation :)

OpenStudy (anonymous):

yaa lol

OpenStudy (anonymous):

thanks :)

ganeshie8 (ganeshie8):

np, yw :)

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