Respostas

2014-08-09T14:03:45-03:00
Sen60° = √3/2
Cos30° = 
√3/2
Tg60° = 
√3
Tg45° = 1
Tg60° = 
√3
Sen60 . Cos30 + Tg60 / Tg45 + Tg60
√3/2 . √3/2 + √3/ 1/ √3
= 3