How can I get to the science museum?
A:It's next to the cinema.
B:Turn left at the bookstore. Then turn right at the hospital.
如图,△ABC内接于⊙O,AB是⊙O的直径.PC是⊙O的切线,C为切点,PD⊥AB于点D,交AC于点E.
(1)求证:∠PCE=∠PEC;
(2)若AB=10,ED=32,sinA=35,求PC的长.
某班几个同学准备合作出一期黑板报。在出黑板报的过程中,他们应有的想法是( )