Current location - Training Enrollment Network - Mathematics courses - 20 12, No.25, No.3, in Tianjin Mathematics Senior High School Entrance Examination, he said to write numbers directly. I don't know how to solve it Please help me to answer it in detail.
20 12, No.25, No.3, in Tianjin Mathematics Senior High School Entrance Examination, he said to write numbers directly. I don't know how to solve it Please help me to answer it in detail.
,∫∠BPO =∠OPC ' =∠POC ',

∴OC'=PC'=PC= 1 1-t.

If p is PE⊥OA in E, PE=BO=6, OE=BP=t,

∴EC'= 1 1-2t.

In Rt△PEC, the equations are listed according to Pythagorean theorem.

.

Solve.

The coordinates of point p are, or.

Comments: The difficulty lies in: (1) discovering PC' = OC(2) constructing a right triangle PEC'', and then making equations according to Pythagorean theorem.