Question

Locus Point (x y) x=5cos@+ 3sin@ y=5sin@-3cos@

Answer 1

x² = 25 cos²α + 9 sin²α + 30 sin α cos α

y² = 25 sin² α + 9 cos² α - 30 sin α cos α

x² + y² = 25 + 9 = 34

x² + y² = 34 is the required locus