Let z = x + jy where j = √-1. Then \(\overline {\cos z} =\) – McqOptions

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1.	Let z = x + jy where j = √-1. Then \(\overline {\cos z} =\)
A.	cos z
B.	cos z̅
C.	sin z
D.	sin z̅
Answer» C. sin z

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