Locus of the point of intersection of lines `x cosalpha + y sin alpha = a` and `x sin alpha - y cos alpha =a (alpha in R )` is

Locus of the point of intersection of lines x cosalpha + y sin alpha = a and x sin alpha - y cos alpha =b (alpha in R ) is

Locus of the point of intersection of lines x cosalpha + y sin alpha = a and x sin alpha - y cos alpha =b (alpha in R ) is

If the point (3, 4) lies on the locus of the point of intersection of the lines x cos alpha + y sin alpha =a and x sin alpha - y cos alpha =b ( alpha is a variable), the point (a, b) lies on the line 3x-4y=0 then (a^(2)-b^(2))/2 is equal to

If the point (3, 4) lies on the locus of the point of intersection of the lines x cos alpha + y sin alpha = a and x sin alpha - y cos alpha = b ( alpha is a variable), the point (a, b) lies on the line 3x-4y=0 then |a+b| is equal to

Locus of the point of intersection of lines x cos alpha+y sin alpha=a and x sin alpha-y cos alpha=a(alpha in R) is

Show that the locus of the point of intersection of the lines x cos alpha + y sin alpha = a and x sin alpha - y cos alpha = a , when alpha varies, is a circle.

Find the locus of the point of intersection of lines x cos alpha+y sin alpha=a and x sin alpha-y cos alpha=b(alpha is a variable )

If the point (3,4) lies on the locus of the point of intersection of the lines x cos alpha+y sin alpha=a and x sin alpha-y cos alpha=b ( alpha is a variable) ,the point (a, b) lies on the line 3x-4y=0 then |a+b| is equal to

The locus of the point of intersection of the lines x cos alpha + y sin alpha=a and x sin alpha-y cos alpha=b , where alpha is a parameter is