如图,梯形ABCD中,AD∥BC,CD⊥BC,已知AB=5,BC=6,cosB=3535.点O为BC边上的动点,以O为圆心,BO为半径的⊙O交边AB于点P.(1)设OB=x,BP=y,求y与x的函数关系式,并写出函数定义域;(2)当⊙O与以点D为圆心,DC
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![如图,梯形ABCD中,AD∥BC,CD⊥BC,已知AB=5,BC=6,cosB=3535.点O为BC边上的动点,以O为圆心,BO为半径的⊙O交边AB于点P.(1)设OB=x,BP=y,求y与x的函数关系式,并写出函数定义域;(2)当⊙O与以点D为圆心,DC](/uploads/image/z/10478426-50-6.jpg?t=%E5%A6%82%E5%9B%BE%2C%E6%A2%AF%E5%BD%A2ABCD%E4%B8%AD%2CAD%E2%88%A5BC%2CCD%E2%8A%A5BC%2C%E5%B7%B2%E7%9F%A5AB%3D5%2CBC%3D6%2CcosB%3D3535%EF%BC%8E%E7%82%B9O%E4%B8%BABC%E8%BE%B9%E4%B8%8A%E7%9A%84%E5%8A%A8%E7%82%B9%2C%E4%BB%A5O%E4%B8%BA%E5%9C%86%E5%BF%83%2CBO%E4%B8%BA%E5%8D%8A%E5%BE%84%E7%9A%84%E2%8A%99O%E4%BA%A4%E8%BE%B9AB%E4%BA%8E%E7%82%B9P%EF%BC%8E%EF%BC%881%EF%BC%89%E8%AE%BEOB%3Dx%2CBP%3Dy%2C%E6%B1%82y%E4%B8%8Ex%E7%9A%84%E5%87%BD%E6%95%B0%E5%85%B3%E7%B3%BB%E5%BC%8F%2C%E5%B9%B6%E5%86%99%E5%87%BA%E5%87%BD%E6%95%B0%E5%AE%9A%E4%B9%89%E5%9F%9F%EF%BC%9B%EF%BC%882%EF%BC%89%E5%BD%93%E2%8A%99O%E4%B8%8E%E4%BB%A5%E7%82%B9D%E4%B8%BA%E5%9C%86%E5%BF%83%2CDC)
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