Question

Encontre os limites trigonoméricos abaixo:

Answer 1

a) Lim sen 3x/2x
x--->0

1/2Lim sen 3x /x *3/3
x--->0
1/2 Lim 3.sen 3x/3x
x--->0
Como sen(x)/x= 1, temos
3/2* Lim sen(3x)/3x
x---> 0
3/2*1= 3/2

b) Lim sen x /4x
x--->0

1/4 Lim sen x/x
x--->0

1/4* Lim sen(x)/x
x--->0
1/4* 1= 1/4