設(shè)tanα=(根號3)/3,派
設(shè)tanα=(根號3)/3,派<α<(3派)/2,則sinα-cosα的值為?
數(shù)學(xué)人氣：723 ℃時間：2020-07-05 19:27:17
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tanα=(根號3)/3,派
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