Subject complements can be either nouns or adjectives.
In the traditional color model, orange is the color that complements blue.
5' ttagag3' The above is wrong. Actually, it's 5' ttagcg3' The a complements the t; so the t complements the a and the g complements the c; so the c complements the g.
Complements are defined for angles, not trigonometric ratios of angles.
Complements the human body's best posture and functionality