Mark the tick against the correct answer in the following:
To Find: The value of sin(
)
Let x = 
cos x = 
Therefore sin(
) becomes sin(
),i.e sin (
)
We know that sin (
) =
=
=
sin (
) =
1
Mark the tick against the correct answer in the following:
To Find: The value of sin()
Let x =
cos x =
Therefore sin() becomes sin(),i.e sin ()
We know that sin () =
=
=
sin () =