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全面掌握初中数学三角函数公式:高效记忆口诀大揭秘!
今天小编就为大家带来一份三角函数公式的汇总,并附上简单易记的口诀,助你在中考中游刃有余! 一、锐角三角函数 定义:锐角A的正弦(sin)、余弦(cos)、正切(tan)、余切(cot)、正割(sec)和余割(csc)统称为锐角A的三角函数。具体如下: 正弦(sin):对边比斜边 ...
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