How do I multiply two trigonometric functions

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Alexander Lleonart
Alexander Lleonart 2016-2-16
评论： John Hart 2020-5-4
Hi I am trying to multiply sin(x) by the cos(x) and graph the result. What am I doing now is not working. Can someone please explain to me what I am doing wrong? Here is my code.
x=[-2:0.5:10];
y=(sin(x))*(cos(x));
plot(x,y)

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回答（1 个）

the cyclist
the cyclist 2016-2-16
You need element-wise multiplication
y=sin(x).*cos(x);
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the cyclist
the cyclist 2016-2-17
The best form of thanks is to upvote and/or accept an answer. This rewards the contributor, and can point future users to helpful answers.

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