me pull out the "sientifik" kalkulater...it hav trig funks
kosine(22.5 deg)=0.923879532
or yu kooo look on internet for kalkulater on www
theerz zilyuns av kalkulaters on the web
BEWARE...web kalkulaters yuze porgramming lingos, & em alwaes yuze RADIANS
yu gotta konvert degrees tu radians