about complex numbers,how can i solve this?

3 ⤊

sinh(2-i) and tan 3+2i

thanks for the help

2006-11-23 11:50:58 · 2 answers · asked by jhen_hidaka 1 in Science & Mathematics ➔ Mathematics

A clue:

sin h x = (e^x + e^-x) / 2

Calculate e^(2-i) = e^2 e^-i, etc

sin h x = (e^2 e^-i +e^-2 e^î)^2

Ana

2006-11-23 12:16:37 · answer #1 · answered by MathTutor 6 · 3⤊ 1⤋

I'd have to look up the definitions of those functions. Perhaps you could do that for me.

2006-11-23 20:18:58 · answer #2 · answered by modulo_function 7 · 0⤊ 0⤋