Explanation of the code

Hi,

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?

l=sind(alpha)*b;

d=cosd(alpha)*b;

Can anyone help me in understanding the code

Thanks in advance

Answer 1

[John Doe]

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