[" 7.Equations of bisectors of angles between intersecting lines "(x-3)/(cos theta)=(y+5)/(sin theta),(x-3)/(cos phi)=(y+5)/(sin phi)arc(x-3)/(cos alpha)=(y+5)/(sin alpha)" and "],[(x-3)/(beta)=(y+5)/(gamma)" then "]

The equation of the bisectors of the angles between the two intersecting lines (x-3)/(cos theta ) = (y+5)/(sin theta) and (x-3)/(cos theta) = (y+5)/(sin theta) are (x-3)/(cos alpha) = (y+5)/(sin alpha) and (x-3)/beta = (y+5)/gamma , then

The equation of the bisectors of the angles between the two intersecting lines (x-3)/(cos theta ) = (y+5)/(sin theta) and (x-3)/(cos theta) = (y+5)/(sin theta) are (x-3)/(cos alpha) = (y+5)/(sin alpha) and (x-3)/beta = (y+5)/gamma , then

The angle between the pair of lines (x^(2)+y^(2))sin^(2)alpha=(x cos theta-y sin theta)^(2);is

The angle between the lines x cos alpha + y sin alpha = a and x sin beta - y cos alpha = a is