OFFSET
0,1
COMMENTS
REFERENCES
R. Witula, D. Jama, E. Hetmaniok, D. Slota, On some inequality of the trigonometric type, Zeszyty Naukowe Politechniki Slaskiej - Matematyka-Fizyka (Science Fascicle of Silesian Technical University - Math.-Phys.), 92 (2010), 83-92.
EXAMPLE
We have M := max{f(x): x in (0,Pi/2)} = 0.6410192376327.
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Roman Witula, Aug 24 2012
STATUS
approved