“sinA=”是“A=60°”的_____________条件.

“sinA=”是“A=60°”的_____________条件.

答案

必要不充分

相关题目

已知过曲线上一点与原点的直线的倾斜角为,则点坐标是(  
已知过曲线上一点与原点的直线的倾斜角为,则点坐标是(    ) A.(,) B. C.(,) D.
“如果你的目标是月亮,射不到月亮定将射到老鹰,但如果
“如果你的目标是月亮,射不到月亮定将射到老鹰,但如果你的目标是老鹰,射不到老鹰你可能只射到小鸟”这句话告诉我们 A.设立的目标要长远   
完形填空 When I was in Germany, one day at Christmas-time I went to a post o
完形填空 When I was in Germany, one day at Christmas-time I went to a post office to send a letter. To my    1    I found people queuing (排队) some paces away from the person at the savin
下列哪一类动物细胞中高尔基体最为丰富?     A  随意肌
下列哪一类动物细胞中高尔基体最为丰富?     A  随意肌细胞    B  腺细胞    C  红细胞    D  白细胞
我国人民代表大会制度在实践中不断发展与完善,具有无可
我国人民代表大会制度在实践中不断发展与完善,具有无可比拟的优越性。2009年“两会”期间,同学们看到上面的老照片,纷纷推算它的年龄,准确的
Neither side would give in to      .As a result,the peace talk broke down w
Neither side would give in to      .As a result,the peace talk broke down with no agreement reached. A.other                 B.another            C.the other     
Celebrities (名人)  have become a powerful influence on some people becau
Celebrities (名人)  have become a powerful influence on some people because of their social position and their economic situation.First, some people admire and imitate stars because they allo
民主政治建设有赖于公民有序的政治参与。有序参与和无序
民主政治建设有赖于公民有序的政治参与。有序参与和无序参与的区别在于(   )     ①是否依法行使政治权利、履行政治性义务     ②是否向国家机

最新题目