可以問下你:若tanα=tanβ,求α與β關(guān)系嗎
可以問下你:若tanα=tanβ,求α與β關(guān)系嗎
數(shù)學(xué)人氣:377 ℃時(shí)間:2020-06-26 19:57:34
優(yōu)質(zhì)解答
因?yàn)?tanα =tanβ,由三角函數(shù)線知,β=α+k*pi,k屬于Z.解法二:因?yàn)?tanα =tanβ所以 tan(α-β) =(tanα -tanβ)/(1 +tanα *tanβ)=0.所以 α-β=k*pi,k屬于Z.即 α=β+k*pi,k屬于Z.= = = = = = = = =β=α+k*pi,...
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