68.1 Another proof that cos (sin x) > sin (cos x), The Mathematical Gazette
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68.2 cos (sin x) ⩾ ∣ cos x ∣ ⩾ ∣ sin (cos x)∣
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The Indiana Gazette, Sunday, June 5, 2016 by Indiana Gazette INC
sin(cos(x)) ≤ cos(sin(x)) proof
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