Let C be the curve given by f(x) = cosh x for 0 ≤ x ≤ t, where t > 0. Show that the arc length of C is equal to the area bounded by C and the x-axis. Identify another curve on the interval 0 ≤ x ≤ t with this property.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter5: Graphs And The Derivative
Section5.3: Higher Derivatives, Concavity, And The Second Derivative Test
Problem 63E
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Let C be the curve given by f(x) = cosh x for 0 ≤ x ≤ t, where t > 0. Show that the arc length of C is equal to the area bounded by C and the x-axis. Identify another curve on the interval 0 ≤ x ≤ t with this property.

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ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,