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1、精品好资料欢迎下载高一三角同步练习5(同角三角函数的基本关系式)一、选择题1、),0(,54cos,则cot的值等于()A34B43C34D432、已知 A 是三角形的一个内角,sinA cosA=23,则这个三角形是()A锐角三角形B钝角三角形C不等腰直角三角形D等腰直角三角形3、已知 sincos=18,则 cos sin的值等于()A34B23C23D234、已知是第三象限角,且95cossin44,则cossin()A32B32C31D315、如果角满足2cossin,那么cottan的值是()A1B2C1D26、若2cossin2cossin,则tan()A1 B-1 C43D347
2、、已知21cossin1xx,则1sincosxx的值是A21B21C2 D 2 8、若cos,sin是方程0242mmxx的两根,则m的值为A51B51C51D51二、填空题1、若15tan,则cos;sin2、若3tan,则3333cos2sincos2sin的值为 _3、已知2cossincossin,则cossin的值为|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 1 页,共 4 页精品好资料欢迎下载4、已知524cos,53sinmmmm,则 m=_;tan三、解答题1、:已知51sin,求tan,cos的值2、已知22cossin,
3、求22cos1sin1的值3、已知51cossin,且0(1)求cossin、cossin的值;(2)求sin、cos、tan的值*4、已知:mcot,0m,求sin,cos的值|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 2 页,共 4 页文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z1
4、0L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z
5、10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4
6、Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V
7、4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9
8、V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE
9、9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 H
10、E9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5精品好资料欢迎下载参考答案一、选择题ABBA DAAB 二、填空题1、41;415(在一象限时取正号,在三象限时取负号)2、25293、1034、0m或8m;43tan或125tan三、解答题1、562cos;126tan(在一象限时取正号,在二象限时取负号)2、由22cossin可得:21cossin21coscossin2sin22;于是:41cossin,16cossin
11、cossincos1sin12222223、(1)由51cossin可得:251cossin21coscossin2sin22;于是:2512cossin,2549cossin21cossin2;0cossin且0,0sin,0cos于是:57cossin(2)54sin;53cos;34tan4、msincoscot,sincosm,代入:1cossin22可得:1sin122m2211sinm;当在第一、第二象限时,211sinm,21cotsincosmm;当在第三、第四象限时,211sinm,21cotsincosmm|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*
12、|欢.|迎.|下.|载.第 3 页,共 4 页文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 H
13、E9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1
14、HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1
15、 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z
16、1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2
17、Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O
18、2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5精品好资料欢迎下载参考答案
19、一、选择题ABBA DAAB 二、填空题1、41;415(在一象限时取正号,在三象限时取负号)2、25293、1034、0m或8m;43tan或125tan三、解答题1、562cos;126tan(在一象限时取正号,在二象限时取负号)2、由22cossin可得:21cossin21coscossin2sin22;于是:41cossin,16cossincossincos1sin12222223、(1)由51cossin可得:251cossin21coscossin2sin22;于是:2512cossin,2549cossin21cossin2;0cossin且0,0sin,0cos于是:57c
20、ossin(2)54sin;53cos;34tan4、msincoscot,sincosm,代入:1cossin22可得:1sin122m2211sinm;当在第一、第二象限时,211sinm,21cotsincosmm;当在第三、第四象限时,211sinm,21cotsincosmm|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 4 页,共 4 页文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O
21、2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5
22、O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L
23、5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4
24、L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X
25、4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10
26、X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5文档编码:CM10X4L5O2Z1 HE9V4Z10L8W10 ZT2K5G7Y3Q5