Mark the tick against the correct answer in the following:
To Find: The value of 
Here,consider 
(
)
= 
Now,consider 
Since here the principle value of sine lies in range [
] and since 
[
]
= 
=
=
Therefore,
= 
+ 
=
=
1
Mark the tick against the correct answer in the following:
To Find: The value of
Here,consider ()
=
Now,consider
Since here the principle value of sine lies in range [] and since []
=
=
=
Therefore,
= +
=
=