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hello i want to make a sinusoidal graph please help

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Saleh
Saleh 2022-10-18
编辑： Kevin Holly 2022-10-18
hello i want to make a sinusoidal graph, with a title “Sinusoidal Graph”. The equation for the sinusoidal graph is and this must be plotted
from -pi/2 to pi/2: X = 6cos(2π*20t) + 2sin(2π*10t)
so,
title('Sinusoidal Graph')
plot(-pi/2 to pi/2:1000)
X = 6cos(2π*20t) + 2sin(2π*10t)
is it like this please help

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Kevin Holly
Kevin Holly 2022-10-18
编辑：Kevin Holly 2022-10-18
Ran in:
t=-pi/2:(pi/2)/1000:pi/2;
X = 6*cos(2*pi*20*t) + 2*sin(2*pi*10*t);
plot(t,X)
title('Sinusoidal Graph')
or
figure
t=linspace(-pi/2,pi/2,1000);
X = 6*cos(2*pi*20*t) + 2*sin(2*pi*10*t);
plot(t,X)
title('Sinusoidal Graph')

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