Plaza, Ángel2024-09-042024-09-042004-06-01Teaching Mathematics and Computer Science, Vol. 2 No. 1 (2004) , 2071589-7389https://hdl.handle.net/2437/379532| cos α + sin α | ≤ √2 with equality…application/pdfproof without wordsfolyóiratcikkOpen AccessÁngel Plazahttps://doi.org/10.5485/TMCS.2004.0054Teaching Mathematics and Computer Science12Teach. Math. Comp. Sci.2676-8364