omg i don't insult people from is nationalaty,if so is only histirical acurate things.
Is true that the portuguese soldiers at defending sieges in India,they fought dual wielding cause it was better,also i supose the aventureiros pike trop that fought at the batle of Alcacer Quibir,din't carry any shield so when the pike broke,they used a daga and a portuguese sword( i am sorry if portuguese where so badass).
And to perform Daga and portuguese sword combo (not a rapier) toked years of training.
The portuguese army cosisted on solide pikeman(created at the batle of Aljubarota by Nuno Alvares Perreira,inspired on Alexander the Great pike formations)
Then they ad fine cavalery,very fast and mobile,that where famous in the reconquista,Also we now that in 1536 May the 8 (120vs 50.000),check the batle of the island of Molucas near Australia,portuguese cav where very powerfull as well.
ALso we ad efective arqbusiers,but indeed in that batle of Alcacer Quibir they were not so efective agaist bows.the portuguese failure was the trust of gun power,and never the use of a bow.