銳角三角函數的大小比較

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銳角三角函數的大小比較. (1) 0 0 <A <45 0 時 : FunA<CoFunA. cscA. cosA. cotA. A. A. A. secA. sinA. tanA. sinA < cosA. tanA < cotA. secA < cscA. (2) 45 0 <A<90 0 時 FunA<CoFunA. cscA. cotA. cosA. secA. A. A. A. tanA. sinA. sinA > cosA. tanA > cotA. secA > cscA.

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Mar 18, 2014

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銳角三角函數的大小比較

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銳角三角函數的大小比較 (1) 00<A<450時 : FunA<CoFunA cscA cosA cotA A A A secA sinA tanA sinA<cosA tanA<cotA secA<cscA
(2) 450<A<900 時 FunA<CoFunA cscA cotA cosA secA A A A tanA sinA sinA>cosA tanA>cotA secA>cscA

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