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Please help I will rate life saver

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Question:

monica menchaca

Oracle

Karma Points: 115,498

(UANL)

Date Posted: 4/1/2008 2:53:35 AM Status: Live

Asker's Rating: Lifesaver

Response:

x = 4 + 2cos(t)
y = 3 + 2sin(t)

You have a semicircle

Centerend on (4,3) and radius 2

x = 4 + 2cos(t)

when t=π/2 x=4 and when t=3π/2 x=4
y = 3 + 2sin(t)

when t=π/2 y=5 and when t=3π/2 y=1

You start at (4,5) and finish at (4,1)

π/2 ≤ t ≤ 3π/2

elssie2005's Comment:

Great

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