when analysing the crosses such as the eur/jpy should i perform technical analysis on the eur/usd and the usd/jpy instead than looking at the eur/jpy alone?
The basic answer is no, you are just doubling your work load.
But if you would like to blow your mind a little bit more you
could take a look at correlated pairs.
Forex Market Hours - Correlation
But don’t worry I think we have probably all been down this
road.