题目内容
(请给出正确答案)
[主观题]
t=0:0.1:10 y1=sin(t);y2=cos(t); plot(t,y1,'r',t,y2,'b='); x=[1.7*pi;1.6*pi]; y=[
t=0:0.1:10
y1=sin(t);y2=cos(t);
plot(t,y1,'r',t,y2,'b=');
x=[1.7*pi;1.6*pi];
y=[-0.3;0.8];
s=['sin(t)';'cos(t)'];
text(x,y,s);
title('正弦和余弦曲线');
legend('正弦','余弦')
xlabel('时间t'),ylabel('正弦、余弦')
grid on
axis square
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