Mark the tick against the correct answer in the following:
To Find: The value of tan {
}
Let x = 
cos x = 
=
By pythagorus theroem ,
(Hypotenuse )2 = (opposite side )2 + (adjacent side )2
Therefore , opposite side = 3
tan x= 
=
x =
Now tan {
} = tan {
}
Since we know that 
+ 
= 
tan {
} = tan (
)
= tan (
)
=
1