Combination of both is the best way to trade or to achieve your goals. It helps to get a fair view of the market.
Fundamental Analysis- Under this, Fundamental Forex traders uses data points to know the strength of a particular currency and analyze whether to trade the future movement of that country's currency.
Technical Analysis- It involves Patterns(triangles,flags) on a price chart. Here,Technical Forex traders assess the trends,support and resistance levels observed on charts.
Both the analysis provide insight to support trading decision and tells when to enter or exit a trade.