expansion of trigonometric formula and phasor term

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Prashant Funde
Prashant Funde le 7 Avr 2017
Réponse apportée : KSSV le 7 Avr 2017
I wanted to know that how we can split trigonametric formulas in MATLAB. as an eg. if i want to split (cos(a)*cos(b)) how can i split it as (1/2(cos(a-b)+cos(a+b))) like this?
and also how can i expand e^(jwt) = cos(wt) + jsin(wt)

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KSSV
KSSV le 7 Avr 2017
syms w t
f = exp(1i*w*t)
rewrite(f,'sincos')

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