Consider a circle , in which a point P is lying inside the circle such that `(PA)(PB)=(PC)(PD)` ( as shown in figure ) . On the basis of above information , answer the questions If `PA=| cos theta + sin theta | and PB=| cos theta - sin theta |`, then maximum value of (PC)(PD) , is equal toA. 1B. `2sqrt(2)`C. `sqrt(2)`D. `2`

Consider a circle , in which a point P is lying inside the circle such

1.	Consider a circle , in which a point P is lying inside the circle such that `(PA)(PB)=(PC)(PD)` ( as shown in figure ) . On the basis of above information , answer the questions If `PA=\| cos theta + sin theta \| and PB=\| cos theta - sin theta \|`, then maximum value of (PC)(PD) , is equal toA. 1B. `2sqrt(2)`C. `sqrt(2)`D. `2`
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