In Euler's notation sin (a
I fail to see the first step: a*t + arctg b/c!
Can you help?
Thank you very much.

***t) = 0,5 ***[exp (i*** a***t) - exp (-i*** a***t)]. What is sin (a*t + arctg b/c) in Euler's notation?
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Jean Castonguay

Électrocommande Pascal

Jean Castonguay

Électrocommande Pascal

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