高考网[sin()]6的值为()A.23B.23C.3D.32.yx22arccos()的反函数为()A.yxx1220cos()[],B.yxxcos[]2202,C.yxxcos()[]20,D.yxxcos()[]2202,3.若sin,2332且则的值是()A.arcsin()23B.arcsin()23C.arcsin()23D.223arcsin()4.函数yxarccos21的值域是()A.[]322,B.[],2C.[]20,D.[],05.若arccos()arccosxx,则有()A.x[)01,B.x[)10,C.x(]01,D.x[]02,6.sin()xxx332,,,则等于()A.arcsin33B.arcsin332高考网arcsin33D.237.arcsin(sin)3的值为()A.3B.3C.3D.23kkZ()8.下列各式最小的是()A.sin(arcsin)1232B.sin[arccos()]223C.tg[arccos(.)]08D.cos[arcsin()]213二.填空1.比较大小:arccos()14____________arccos()132.arccos(cos)xxx,则____________3.sin(arcsin)xxx,则_____________4.arcsin[sin()]76_____________arccos(cos)3_____________5.函数yxxcos()2212的定义域为_____________,值域为_____________。三.解答1.求证:arcsin()arccos()441982342.02,化简:arcsin[cos()]arccos[sin()]23.作出yxxarccos(cos)()22的图象。【试题答案】一.1.A2.B3.B4.B5.C6.C7.A8.C二.1.2.[]0,3.[]11,4.6;3高考网[]621621,;[]3,三.1.设arcsin()()44120,,arccos()()9822,,coscos541982,cos()coscossinsin()()54198244118222034,2.原arcsin(sin)arccos(sin)23.