How do you solve #cosx+1=0# and find all solutions in the interval #0<=x<360#?
1 Answer
Mar 14, 2018
Explanation:
#"isolate " cosx " by subtracting 1 from both sides"#
#rArrcosx=-1#
#rArrx=cos^-1(-1)=180^@to(0<=x<360)#
