∴∠BAC=60°,
∵AD平分∠BAC,
∴∠DAC=30°,
∴∠ADC=65°,
∴∠E=25°;
(2)∠E=
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设∠B=n°,∠ACB=m°,
∵AD平分∠BAC,

∴∠1=∠2=
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∵∠B+∠ACB+∠BAC=180°,
∵∠B=n°,∠ACB=m°,
∴∠CAB=(180-n-m)°,
∴∠BAD=
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∴∠3=∠B+∠1=n°+
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∵PE⊥AD,
∴∠DPE=90°,
∴∠E=90°-(90°+
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