use-lagranges-mean-value-theorem-to-prove-that-x-lt-sin-1-x-lt-x-1-x-2-0-lt-x-lt-1-

Question Number 25655 by rita1608 last updated on 12/Dec/17

u s e l a g r a n g e s m e a n v a l u e t h e o r e m t o

p r o v e t h a t

x < {s i n}^{- 1} x < \frac{x}{\sqrt{1 - x^{2}}}, 0 < x < 1 .