组卷网>高中数学综合库>三角函数与解三角形>三角函数>任意角的三角函数>任意角的三角函数的定义>利用定义求某角的三角函数值
题型:单选题 难度:0.85 引用次数:168 更新时间:2019/1/8 20:11:22 题号:7447136
已知角eqIdc13953f2514e4c8f9c8aaaf5241c33ac的顶点为坐标原点,始边与eqIda9cd3f94eb8045438f75e9daccfa7200轴非负半轴重合,终边上有一点eqId55a949a152fc461e8e928c252b58fc47,则eqId8ed6210b5d224e859c969a7f17111abf
A.eqId838fd7bdcc4e48a589a11491a13203f9B.eqId7f1f28503f41439586d8e228365897e9C.eqId72a10295338040499cb3747215ca8f7fD.eqId43e2ca0cc02a4c75aa33fb07520a3da9

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单选题 | 较易(0.85) |
同步
【推荐1】已知单位圆上第一象限内一点eqIdbedf755e0fdb4d078d6859360706b163沿圆周逆时针旋转eqIdb47bf79338b1478a89eac53d16970cdf到点eqId75a143b898e14ccdb032561fba9da811,若点eqId75a143b898e14ccdb032561fba9da811的横坐标为eqId55cdf762f6ee44b9965cb85874ed15f9,则点eqIdbedf755e0fdb4d078d6859360706b163的横坐标为(   )
A.eqIda65ae27f94954e2e9907317b46ad6bd6B.eqId03b3121d4f0841f0b68754356978a24b
C.eqId23f185e605fb47a49441e633779f0c0cD.eqIddd25ab94fb3c44c38144183e0f2d2918
更新:2020/12/04组卷:733
单选题 | 较易(0.85) |
【推荐2】下列说法:①如果eqIdc13953f2514e4c8f9c8aaaf5241c33ac是第一象限的角,则角eqIde8516322218d4b02becea76ede8d50c8是第四象限的角;②函数eqId21418c9e87ef4f30af18655eb0f1785aeqIdf7980bb17df04c4ab1f7d71f884a48fb上的值域是eqIdb2e9ea1528a4495e8eb625b487f30b22;③已知角eqIdc13953f2514e4c8f9c8aaaf5241c33ac的终边上的点P的坐标为eqIdc2d26bf02697448bb81189789dab5058,则eqId73a82068b0e645f8ba13239f3b33e8cb;④eqId64b9b599fdb6481e9f8d9a94c102300b中,eqId7bc6fc8794944e57a77be639d9d491b5eqId9eb4d94904ae4ef8954e1f22a9365e5d的夹角等于A;其中正确的是(   )
A.①②B.①③C.③④D.②④
更新:2020/03/04组卷:123
单选题 | 较易(0.85) |
【推荐3】在平面直角坐标系eqId2272a344734c4fb088737b84294f7219中,角eqIdc13953f2514e4c8f9c8aaaf5241c33ac的顶点与原点eqId2efda802d5534f6d92d9f8af7aaec28b重合,始边与eqIda9cd3f94eb8045438f75e9daccfa7200轴的非负半轴重合,终边与单位圆eqId037f417f9f6d431081173d5123598dcc交于点eqId7aea99a404304f8a887b2ccb5099d6d7,则eqId392b3e138c264a1791eeaebdeed00bcc的值为(   )
A.eqIdd604e9fffeac40509dc5d65dd4c2ffbaB.eqId31b7b85d627445e1ab2f9709b12584b8C.eqIdbcf23b054e714cba93f8bb6072011645D.eqIdc9d9b328db154909a0b6d2188fd71d64
更新:2021/05/27组卷:207
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