If thitta is an angle between the diagonals of a parallelogram ABCD whose vertices are A(0,2) B(2,-1) C(4,0) and D(2,3).show that tan thitta =2

If thitta is an angle between the diagonals of a parallelogram ABCD wh

1.	If thitta is an angle between the diagonals of a parallelogram ABCD whose vertices are A(0,2) B(2,-1) C(4,0) and D(2,3).show that tan thitta =2
Answer» If thitta is an angle between the diagonals of a parallelogram ABCD whose vertices are A(0,2) B(2,-1) C(4,0) and D(2,3).show that tan thitta =2