Febbraio 3, 2020

Come si rappresenta $y = - \frac{1}{2} cos x$ $y = -1 / 2cosx$ ?

Risposta:

$the solution of your problem is on the figure$ $"the solution of your problem is on the figure"$

Spiegazione:

inserisci qui la fonte dell'immagine

$"give random angle values to x such as "-pi,-pi/2,0,pi/2,pi,...$

$"for x="-pi" " rArr" "y=-1/2*cos(-pi)=0.5$
$"for x="-pi/2" " rArr" "y=-1/2*cos(-pi/2)=0$
$"for x="0" " rArr" "y=-1/2*cos(0)=-0.5$
$"for x="pi/2" " rArr" "y=-1/2*cos(pi/2)=0$
$"for x="pi" " rArr" "y=-1/2*cos(pi)=0.5$

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