Question

se sen x = 3/5 e cos y = 1/2 calcule :


sen ( x + y )

Answer 1

se sen x = 3/5 e cos y = 1/2 calcule : sen ( x + y )

Explicação passo-a-passo:

cos(x) = 4/5 , sen(y) = √3/2

sen(x + y) = sen(x)cos(y) + cos(x)sen()y)

sen(x + y) = 3/5*1/2 + 4/5*√3/2

sen(x + y) = 3/10 + 4√3/10