If tan a = 2 - 4 by 3 find sin and Cos A Angle A is greater than zero and less than 180 degree

If tan a = 2 - 4 by 3 find sin and Cos A Angle A is greater than zero

1.	If tan a = 2 - 4 by 3 find sin and Cos A Angle A is greater than zero and less than 180 degree
Answer» sina=2/root13cosa=3/root13