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Which expression defines the hyperbolic sine, sinh x?
A(e^x - e^(-x))/2
B(e^x + e^(-x))/2
C(e^x - 1)/(e^x + 1)
D2/(e^x + e^(-x))
Answer & Solution
Correct answer: A. (e^x - e^(-x))/2
sinh x is the odd part of the exponential function, so it is half the difference of e^x and e^(-x).
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