Mark the tick against the correct answer in the following:
The principal value of 
is
To Find: The Principle value of 
Let the principle value be given by x
Now, let x =
cosec x =
cosec x= - cosec(
) (
)=
)
cosec x=cosec(
) (
))
x = 
1
Mark the tick against the correct answer in the following:
The principal value of is
To Find: The Principle value of
Let the principle value be given by x
Now, let x =
cosec x =
cosec x= - cosec() ()=)
cosec x=cosec() ())
x =