LimitsHard
Question
sec-1 
is equal toOptions
A.0
B.π
C.π/2
D.does not exist
Solution
sec-1 replace x → 1/y ⇒
=
sec-1 
=
sec-1 
when y → 0+ ;
< 1so
sec-1 
does not exist.Create a free account to view solution
View Solution Freesec-1 is equal tosec-1 replace x → 1/y ⇒
=
sec-1 =
sec-1 when y → 0+ ;
< 1so
sec-1 does not exist.