Now I'm sure you've gone what values of x would work to solve the last line.
In that last line, I basically took the cosine of both sides. You would need a calculator for this as I doubt you know the exact value of .
I am taking pre-cal at our local college and have my final on monday. The teacher gave us a study guide but I am having a few problems and need some help please. I am stuck on these two problems:
solve algebraically between [0,2pie]
2cosx +Sq. root2=0
other problem: solve for x
arccos x- arccot6/5=0
Can someone please show me how to work these. I am sure we went over it in class but I am lost. Thank you