GRAPHS OF THE HYPERBOLIC FUNCTIONS The graphs of the hyperbolic functions, which are shown in Figure 6.9.1, can be generated with a graphing utility, but it is worthwhile to observe that the general shape of the graph of y =e y = cosh x y= sinh x tanh x (a) (b) (c) Jeremy EdwardsiStockphoto The design of the Gateway Arch in St. Louis is based on an inverted hyper- bolic cosine curve (Exercise 73). y- coth x y= sech x y esch x (d) (e) (f) A Figure 6.9.1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.7: Applied Problems
Problem 53E
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Prove that sinh x is an odd function of x and that cosh x is an even function of x, and check that this is consistent with the graphs in Figure 6.9.1.

GRAPHS OF THE HYPERBOLIC FUNCTIONS
The graphs of the hyperbolic functions, which are shown in Figure 6.9.1, can be generated
with a graphing utility, but it is worthwhile to observe that the general shape of the graph of
y =e
y = cosh x
y= sinh x
tanh x
(a)
(b)
(c)
Jeremy EdwardsiStockphoto
The design of the Gateway Arch in
St. Louis is based on an inverted hyper-
bolic cosine curve (Exercise 73).
y- coth x
y= sech x
y esch x
(d)
(e)
(f)
A Figure 6.9.1
Transcribed Image Text:GRAPHS OF THE HYPERBOLIC FUNCTIONS The graphs of the hyperbolic functions, which are shown in Figure 6.9.1, can be generated with a graphing utility, but it is worthwhile to observe that the general shape of the graph of y =e y = cosh x y= sinh x tanh x (a) (b) (c) Jeremy EdwardsiStockphoto The design of the Gateway Arch in St. Louis is based on an inverted hyper- bolic cosine curve (Exercise 73). y- coth x y= sech x y esch x (d) (e) (f) A Figure 6.9.1
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