7 a) State the first mean value theorem of differential calculus and interpret it geometrically. Using it to f (x) =sin x on [0, x], prove that sin x ≤ x for x ≥ 0.
7 a) State the first mean value theorem of differential calculus and interpret it geometrically. Using it to f (x) =sin x on [0, x], prove that sin x ≤ x for x ≥ 0.