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已知cosα=–eqId518bf73a969749a2b79c56edc699b414,且π<α<eqId03c81b2f1ba648e4925281d55e0bf57c,则tanα=
A.–eqIdc0167508d91645ddaf2ba23ba1443ec9B.eqIdc0167508d91645ddaf2ba23ba1443ec9C.–eqId3c0b6a5a5f414f0882785af7c7f8e1b2D.eqId3c0b6a5a5f414f0882785af7c7f8e1b2
更新:2020/04/05 难度:0.65 题型:单选题 组卷:233
eqId585e08ea4061437d82611a7bc1a8ed29eqId014ef4f18b94486bbc64ad7271ab2a0a,则eqId5f99ec0500e546efa94e9afc8cbc7021(  )
A.eqId5222c2ea3b544c58bafb590c9238c493B.eqIdcef078289ba34abe959d0c8cf64dc4fbC.eqIdf80b1ba2daae42859c1a857ba3ee0f3bD.eqIdbe16cd0bb9774324a8d1694c43f41ac2
更新:2020/04/05 难度:0.85 题型:单选题 组卷:373
α是第三象限角,且tan α=2,则eqIdb7168b79e12e4913975f89d3454943f7=________.
更新:2020/04/05 难度:0.85 题型:填空题 组卷:826
更新:2020/04/05 难度:0.65 题型:填空题 组卷:0
更新:2020/04/04 难度:0.85 题型:单选题 组卷:0
已知eqId639db991527842f393a25e7627c68e2f,且eqId585e08ea4061437d82611a7bc1a8ed29,则eqIdaec47f53c4e74286a0bb68424456af30(   )
A.eqId5674ea0d9a3a4623a26baf552e09d3c4B.eqId8037a8961dff4549bed623983e47cf07C.eqId101db875fb9a48cc9a92298c0f82d3a2D.eqId0fd27f454deb47659ddbf5c8433b715e
更新:2020/04/04 难度:0.65 题型:单选题 组卷:560
eqId64b9b599fdb6481e9f8d9a94c102300b中,三内角eqId10bbe48f886a4fa78fdf8c1fd064f9b4的对边分别为eqId0ce93bfa1f6a4a23b3258410dd19847a,若eqId2084b6f6b65f4caea08cd9e117e8d785,且eqId64b9b599fdb6481e9f8d9a94c102300b的面积为eqId7bcd573cee334383ad72cc4b179fcfb3.
(1)求eqIdd9bbb13b57fa41259abb43f9171419b3的值;
(2)若eqIda0f7a1b02906477db7f765be53d113ba,求eqId70a27b6ddf6b478285353abb3b1f3741.
更新:2020/04/02 难度:0.65 题型:解答题 组卷:0