y=√2sin(2x-兀)cos[2(x+兀)]是奇函数还是偶函数?周期是?

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y=√2sin(2x-兀)cos[2(x+兀)]是奇函数还是偶函数?周期是?
y=√2sin(2x-兀)cos[2(x+兀)]是奇函数还是偶函数?周期是?

y=√2sin(2x-兀)cos[2(x+兀)]是奇函数还是偶函数?周期是?