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Problem
#PRU-109573
Problems
Calculus
Real numbers
Integer and fractional parts. Archimedean property
Methods
Pigeonhole principle
Pigeonhole principle (angles and lengths)
13–15
3.0
Problem
Prove that for all
\(x\)
,
\(0 < x < \pi /3\)
, we have the inequality
\(\sin 2x + \cos x > 1\)
.
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