Question

hyy frnds ... plzz help :-)

Answer 1

Final Answer : -2



I think if you get 4 as the answer then you just forgot to put negative sign in sin t .


Basics to know :


1) Substitution method of Limits .

2) lim x tends to 0 : sin x /x = 1

3) Basic limits properties on Mulitplying , Dividing ,and addition .


Steps :

1) Replace
$x - > \frac{ - 1}{t}$

2) Use limit properties and find limit of above expression .


For Calculation see pic: attached


Hope, you understand my answer and you got your mistake .