- #1
mgaddafi86
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Homework Statement
∫(from pi/4 to pi/2)sin x/x ≤ 1/√2.
Homework Equations
The Attempt at a Solution
I know the pi/4≤x≤pi/2 and so 1/√2 ≤ sin x ≤ 1 and i have tried to manipulate this to no end and it has annoyed the living daylights out of me