三角関数表【コサイン表】\(1^\circ\sim20^\circ\)
\begin{array}{r}\hskip10pt&\mathrm{cos}\\1^\circ&0.99984769515639123915701156&\\2^\circ&0.99939082701909573000624344&\\3^\circ&0.99862953475457387378449206&\\4^\circ&0.99756405025982424761316268&\\5^\circ&0.99619469809174553229501040&\\6^\circ&0.99452189536827333692269194&\\7^\circ&0.99254615164132203498006159&\\8^\circ&0.99026806874157031508377487&\\9^\circ&0.98768834059513772619004025&\\10^\circ&0.98480775301220805936674302&\\\\11^\circ&0.98162718344766395349650490&\\12^\circ&0.97814760073380563792856675&\\13^\circ&0.97437006478523522853969448&\\14^\circ&0.97029572627599647230637787&\\15^\circ&0.96592582628906828674974320&\\16^\circ&0.96126169593831886191649705&\\17^\circ&0.95630475596303548133865082&\\18^\circ&0.95105651629515357211643933&\\19^\circ&0.94551857559931681034812471&\\20^\circ&0.93969262078590838405410928&\\\\\end{array}