請(qǐng)問(wèn)題目中是sin(2α+β)=3√10/10么?如果是,則
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已知0
已知0<α<π/4,0<β<π/4,且3sin(2α+β),4tan(α/2)=1-tan^2(α/2),證明:α+β=π/4
數(shù)學(xué)人氣:433 ℃時(shí)間:2020-05-25 06:26:24
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