Sinxcosxtanx+sinxcosx=0

Sin x cos x (tan x - 1) = 0

so one solution is tan x = 1 giving x = 45, 225 degrees (for x 0 to 360)

sin x cos x = 0 so either sinx = 0 giving x = 0, 180, 360 degrees

or cos x = 0 giving x = 90, 270

answer is 0, 45, 90, 180, 225, 270, 360 degrees (for 0 = = 360)