X 2 3 X 1 3 6 0 X word 1 word X 2 X 3
X t ug sw PROE 2 0 STP IGS 3D X x x 2 x Caps Lock Shift
X 2 3 X 1 3 6 0
X 2 3 X 1 3 6 0
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U x n r F A C D cos x r tan y x cot x y sec r x csc r y sin 2 cos 2 1
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