I'm stuck on a part of a question that is probably quite simple, annoying thing is I can do the harder part of the question!
Show that the equation cos^-1(2x-1) = e^x can be written as
x= 1/2 + 1/2cos(e^x ) (1 mark)
Thanks in advance!
C3 question Watch
- Thread Starter
- 11-01-2015 18:09
- 11-01-2015 18:17
Apply the cos function to both sides
- 11-01-2015 18:41
urgh the latex isn't working...just apply the cos function to each sideLast edited by Mutleybm1996; 11-01-2015 at 18:42.