rot1

rgb = imread('jsl26.jpg');
rgb = im2double(rgb);
imshow(rgb);
size(rgb)

ans =

   322   252     3

out1 = imrotate(rgb,30,'bilinear');
imshow(out1);
size(out1)

ans =

   405   381     3

out2 = imrotate(rgb,-30,'bilinear','crop');
imshow(out2);
size(out2)

ans =

   322   252     3