Let z be a complex number. Then the solution(s) of sinhz+coshz=1/e is (are) * z=2nti-1 where n is an integer. does not exist z=nni-1 where n is an integer. O z=-1 O None of these O

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A: =12+32i9De Moivre's theorem;=cosπ3+i sinπ39= eiπ39=ei3π=cos3π + isin3π=-1

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A: standard form , a+ i b first part = a (real part second part = i b (imaginary part

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