2018版高考数学大一轮复习第四章三角函数、解三角形4
2同角三角函数基本关系及诱导公式教师用书文北师大版INCLUDEPICTURE"E:\\莫成程\\2017\\一轮\\数学\\北师\\文\\WORD\\基础知识自主学习
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TIF"\*MERGEFORMATINET1.同角三角函数的基本关系(1)平方关系:sin2α+cos2α=1
(2)商数关系:=tanα
2.各角的终边与角α的终边的关系角2kπ+α(k∈Z)π+α-α图示INCLUDEPICTURE"E:\\莫成程\\2017\\一轮\\数学\\北师\\文\\WORD\\4-13
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TIF"\*MERGEFORMATINETINCLUDEPICTURE"E:\\莫成程\\2017\\一轮\\数学\\北师\\文\\WORD\\4-15
TIF"\*MERGEFORMATINET与角α终边的关系相同关于原点对称关于x轴对称角π-α-α+α图示INCLUDEPICTUREINCLUDEPICTUREINCLUDEPICTUR1"E:\\莫成程\\2017\\一轮\\数学\\北师\\文\\WORD\\4-16
TIF"\*MERGEFORMATINET"E:\\莫成程\\2017\\一轮\\数学\\北师\\文\\WORD\\4-17
TIF"\*MERGEFORMATINETE"E:\\莫成程\\2017\\一轮\\数学\\北师\\文\\WORD\\4-18
TIF"\*MERGEFORMATINET与角α终边的关系关