新高考数学一轮复习分层提升练习第18练 同角三角函数的基本关系、诱导公式（原卷版）

第18练同角三角函数的基本关系、诱导公式（精练）【A组】一、单选题1．已知SKIPIF1<0，则SKIPIF1<0的值为（）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<02．SKIPIF1<0（

）A．1 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<03．已知角SKIPIF1<0终边经过点SKIPIF1<0，则SKIPIF1<0（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<04．已知SKIPIF1<0，则“SKIPIF1<0”是“SKIPIF1<0”的（

）A．充分不必要条件 B．必要不充分条件C．充要条件 D．既不充分也不必要条件5．已知方程SKIPIF1<0，则SKIPIF1<0（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<06．已知SKIPIF1<0，则SKIPIF1<0的值为（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<07．已知SKIPIF1<0，则SKIPIF1<0（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<08．已知SKIPIF1<0，则SKIPIF1<0（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<09．若SKIPIF1<0，则SKIPIF1<0（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<0二、多选题10．已知SKIPIF1<0，其中SKIPIF1<0，则（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<011．已知SKIPIF1<0，则下列结论正确的是（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<012．在△ABC中，下列关系式恒成立的有（

）A．SKIPIF1<0 B．SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<0三、填空题13．若点SKIPIF1<0是角SKIPIF1<0终边上的一点，且SKIPIF1<0，则SKIPIF1<0__________.14．若SKIPIF1<0，则SKIPIF1<0_________.15．已知SKIPIF1<0，且SKIPIF1<0，则SKIPIF1<0______．16．已知SKIPIF1<0，那么SKIPIF1<0______．17．已知SKIPIF1<0是关于SKIPIF1<0的方程SKIPIF1<0的两根，则SKIPIF1<0__________.18．已知SKIPIF1<0，则SKIPIF1<0______.四、解答题19．已知SKIPIF1<0，SKIPIF1<0是关于x的一元二次方程SKIPIF1<0的两根，(1)求SKIPIF1<0的值；(2)求m的值；(3)若SKIPIF1<0，求SKIPIF1<0的值.20．已知SKIPIF1<0是第三象限角，且SKIPIF1<0.(1)化简SKIPIF1<0；(2)若SKIPIF1<0，求SKIPIF1<0的值.21．已知SKIPIF1<0，且SKIPIF1<0，SKIPIF1<0为方程SKIPIF1<0的两根．（1）求SKIPIF1<0的值；（2）求SKIPIF1<0的值．【B组

在综合中考查能力】一、单选题1．已知角SKIPIF1<0的终边经过点SKIPIF1<0，则SKIPIF1<0（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<02．已知SKIPIF1<0，则SKIPIF1<0（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<03．已知SKIPIF1<0为第一象限角.SKIPIF1<0，则SKIPIF1<0（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<04．知SKIPIF1<0，则SKIPIF1<0（

）．A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<0二、多选题5．若SKIPIF1<0，则SKIPIF1<0的值可能为（

）A．2 B．3 C．SKIPIF1<0 D．SKIPIF1<06．已知SKIPIF1<0，则（

）A．SKIPIF1<0 B．SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<0三、填空题7．已知SKIPIF1<0，求SKIPIF1<0___________.8．已知SKIPIF1<0，则SKIPIF1<0___________.9．）已知SKIPIF1<0，则SKIPIF1<0______.10．若SKIPIF1<0，则SKIPIF1<0的值为______．四、解答题11．已知SKIPIF1<0(SKIPIF1<0)，求SKIPIF1<0的值.12．已知SKIPIF1<0，SKIPIF1<0.(1)求SKIPIF1<0的值；(2)求SKIPIF1<0的值；(3)求SKIPIF1<0.的值13．已知SKIPIF1<0，SKIPIF1<0，SKIPIF1<0.(1)求SKIPIF1<0的值；(2)求SKIPIF1<0的值.14．已知SKIPIF1<0，SKIPIF1<0，SKIPIF1<0，求(1)求SKIPIF1<0的值；(2)求SKIPIF1<0的值；(3)若SKIPIF1<0，求SKIPIF1<0的值.【C组

】一、单选题1．已知SKIPIF1<0，且SKIPIF1<0，则SKIPIF1<0可能为（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<02．已知SKIPIF1<0，SKIPIF1<0，且SKIPIF1<0