(a) Show that cossx 2 d > cos x for 0 < x < 1. (b) Deduce that y y6 0 cossx 2 d dx > 1
Chapter 5, Problem 64(choose chapter or problem)
(a) Show that cossx 2 d > cos x for 0 < x < 1. (b) Deduce that y y6 0 cossx 2 d dx > 1 2.
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