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Scholar
Karma Points: 209
(CSU Northridge)
Respect (96%):
Date Posted: 3/31/2008 11:40:27 PM  Status: Live
Please help I will rate life saver Please
Course Textbook Chapter Problem
Calculus Calculus (6th) by Stewart 11.1 18
Question Details:
Consider the following.
x = 9cosh(t)
y = 6sinh(t)
(a) Eliminate the parameter to find a Cartesian equation of the curve.
 
x 
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Answers:

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Oracle
Karma Points: 118,148
(UANL)
Date Posted: 4/1/2008 2:13:41 AM  Status: Live
Asker's Rating: Lifesaver   
Response:
x = 9cosh(t)
y = 6sinh(t)
 
We know that cosh2(t)-sinh2(t)=1
     so 
    so    
Use the difference
elssie2005's Comment:
Gracias



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