Asked by Tony Thompson
Evaluate:
(b) cosh(π)
(c) cos(iπ)
(b) cosh(π)
(c) cos(iπ)
Answers
Answered by
oobleck
cosh(π) = cos(iπ)
check the exponential definitions of each.
or google cos(ix) to see the explanation
check the exponential definitions of each.
or google cos(ix) to see the explanation
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