Given,
is a cyclic quadrilateral in which
And,
We know that,
[Sum of opposite angles of a quadrilateral]
So,
Now in
we have
So,
And, as
we have
[Alternate angles]
Now in
Thus,
Given,
is a cyclic quadrilateral in which
And,
We know that,
[Sum of opposite angles of a quadrilateral]
So,
Now in
we have
So,
And, as
we have
[Alternate angles]
Now in
Thus,