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Arrange the steps in the correct order to express cos ⁡ 3 ⁢ x in terms of cos ⁡ x . cos ⁡ ( 2 ⁢ x ) ⁢ cos ⁡ ( x ) − sin ⁡ ( 2 ⁢ x ) ⁢ sin ⁡ ( x ) [ 1 − 2 ⁢ sin 2 ⁡ ( x ) ] ⁢ cos ⁡ ( x ) − [ 2 ⁢ sin ⁡ ( x ) ⁢ cos ⁡ ( x ) ] ⁢ sin ⁡ ( x ) cos ⁡ ( x ) − 4 ⁢ sin 2 ⁡ ( x ) ⁢ cos ⁡ ( x ) 4 ⁢ cos 3 ⁡ ( x ) − 3 ⁢ cos ⁡ ( x ) cos ⁡ ( 2 ⁢ x + x ) cos ⁡ ( x ) ⁢ { 1 − 4 ⁢ [ 1 − cos 2 ⁡ ( x ) ] } cos ⁡ ( x ) − 2 ⁢ sin 2 ⁡ ( x ) ⁢ cos ⁡ ( x ) − 2 ⁢ sin 2 ⁡ ( x ) ⁢ cos ⁡ ( x ) cos ⁡ ( x ) ⁢ [ 1 − 4 ⁢ sin 2 ⁡ ( x ) ] cos ⁡ ( x ) ⁢ [ - 3 + 4 ⁢ cos 2 ⁡ ( x ) ]

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