Explanation of the code

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Jim on 12 May 2013
what is the difference between cos and cosd in matlab
If alpha is angle A of the triangle. What does the following commands will do?
Can anyone help me in understanding the code
Thanks in advance

Answers (1)

John Doe
John Doe on 12 May 2013
Edited: John Doe on 12 May 2013
The input to cosd and sind are in degrees, whereas it is in radians for cos and sin.
l = sind(alpha)*b; % the vertical leg
d = cosd(alpha)*b; % the horizontal leg
Given that b is the length of the hypotenuse, and that it is a right-angled triangle.
Hope it helped!
- Rob


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