Mathematics, 18.09.2019 01:30 jarteria0
Is it possible to construct a triangle with side lengths of 15 inches, 17 inches, and 32 inches? why or why not? ( medal! )
a. no, because 15 + 17 > 32.
b. no, because the sum of the lengths of any two sides is not greater than the length of the third side.
c. yes, because 15 + 17 = 32.
d. yes, because 15 + 17 < 32.
Answers: 1
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Prove (a) cosh2(x) β sinh2(x) = 1 and (b) 1 β tanh 2(x) = sech 2(x). solution (a) cosh2(x) β sinh2(x) = ex + eβx 2 2 β 2 = e2x + 2 + eβ2x 4 β = 4 = . (b) we start with the identity proved in part (a): cosh2(x) β sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 β sinh2(x) cosh2(x) = 1 or 1 β tanh 2(x) = .
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Is it possible to construct a triangle with side lengths of 15 inches, 17 inches, and 32 inches? wh...
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