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OpenStudy (ac3):
Find all solutions of cosh(z) = 0
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OpenStudy (ac3):
I got z = ln(+or- 1) + ipi/2 + i2kpi, back of the book says it's (1+or-2k)ipi. Are the answers equivalent?
OpenStudy (ac3):
Just went through it again, now I got z = ln(i) + 2ikpi, k = 0,1,2.....
OpenStudy (irishboy123):
you could have a go with: \(\cosh z = \cos iz \)
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