Mencari nilai Cos 18 menggunakan konsep Geometri Posted April 6, 2012August 14, 2015 Isra NurhadiLeave a commentPosted in Persamaan, Trigonometri Mencari nilai Cos 18 menggunakan konsep Geometri Nilai Cos 18 , Soal dari @vinaselistya Bagikan:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Pocket (Opens in new window)Click to email this to a friend (Opens in new window)