Mark the tick against the correct answer in the following:
To Find: The value of tan 
(
)
Let , x = 
cos x = 
Now, tan 
(
) becomes
tan 
(
)= tan 
(x) =tan 
=
= 
=
=
tan 
(
) = 
1
Mark the tick against the correct answer in the following:
To Find: The value of tan ( )
Let , x =
cos x =
Now, tan ( ) becomes
tan ( )= tan (x) =tan
=
=
=
=
tan ( ) =