This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
tan1 tan2 tan3 ...............tan44 = cot46 cot47 cot48.........cot89 = ( 1/ (tan46 *tan47 *tan48 ...... ................................... tan89 )............. therefore this whole sequence is equal to nothing but tan(45) ........which is equal to 1 !!!!!!!!