Q.

Which is the correct Euler expression?

A. exp(2jt) = cos(2t) + jsin(t)
B. exp(2jt) = cos(2t) + jsin(2t)
C. exp(2jt) = cos(2t) + sin(t)
D. exp(2jt) = jcos(2t) + jsin(t)
Answer» B. exp(2jt) = cos(2t) + jsin(2t)
Explanation: euler rule: exp(jt) = cos(t) + jsin(t).
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