+0  
 
+1
248
1
avatar

hello, simplify without a calculator

 

\(Cos 240 \over Cos 180 -Sin90\)

 

thanx for the help...

 May 31, 2019
 #1
avatar+11723 
+3

hello, simplify without a calculator

 May 31, 2019
edited by Omi67  May 31, 2019

36 Online Users

avatar
avatar
avatar
avatar
avatar
avatar