How can ı solve this triangle problem at MATLAB?

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Mesut Anlak
Mesut Anlak 2021-11-22
评论： Mesut Anlak 2021-11-22
In the triangle which has edges names:a,b,c; a=9 b=18 c=25 how can ı calculate the alfa(the angles sees a) with the law of cosines? with MATLAB
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Mesut Anlak
Mesut Anlak 2021-11-22
yes ı know the basics and of course law of cosines
Mesut Anlak
Mesut Anlak 2021-11-22
ı just cant understand how ı can find the angle
ı can find the value of cos(x) but not x

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回答（1 个）

James Tursa
James Tursa 2021-11-22
编辑：James Tursa 2021-11-22
If you can find cos(x), you might look at feeding that into the acos( ) function to recover x.
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Steven Lord
Steven Lord 2021-11-22
Hint: one of the functions listed in the "See Also" section at the end of the documentation page for the acos function will be of use to you.

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