The sincos or exp2trig command uses the identity ei x=cos(x)+isin(x) to rewrite complex exponentials in terms of sine and cosine.
sincos(exp(i*x)) |
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exp2trig(exp(-i*x)) |
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simplify(sincos(((i)*(exp((i)*x))^2-i)/(2*exp((i)*x)))) |
or:
simplify(exp2trig(((i)*(exp((i)*x))^2-i)/(2*exp((i)*x)))) |
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