For a given circle, tangent is drawn from external point E so that point T is the point of tangency. Where E - R - S , secant intersects that circle at points R and S . Find an expression that is equivalent to .

Name: For a given circle, tangent is drawn from external point E so that point T is the point of tangency. Where E - R - S , secant intersects that circle at points R and S . Find an expression that is equivalent to .
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Question

For a given circle, tangent  is drawn from external point E so that point T is the point of tangency. Where E - R - S , secant  intersects that circle at points R and S . Find an expression that is equivalent to  .

For a Given Circle, Tangent Is Drawn from External