https://socratic.org/questions/how-do-yo-solve-2cos-2-x-2sen-x-12-0 See explanation Explanation: We want to solve the equation2cos2(x)−2sin(x)+12=0Usecos2(x)=1−sin2(x)... Number of real roots of equationecosx−e−cosx−4=0?
20%5Coperatorname%7Bsen%7D%20x%20%5Ccos%20x%2B%5Cfrac%7B1%7D%7B2%7D%20x%5Cright)%2BC%20%5C%5C%20%26amp%3B%3D2%20%5Ccos%20%5E3%20x%20%5Coperatorname%7Bsen%7D%20x-8%20%5Ccos%20%5E5%20x%20%5Coperatorname%7Bsen%7D%20x%2B3%20%5Coperatorname%7Bsen%7D%20x%20%5Ccos%...
14 Determinar o periodo das funcoes:a) y = 3 sen 2x c y=2senx/3y=2+6cos(-4x) d y=3-4cos(πx+π/(5) )Resolucao p=(2π)/(|2|)=(2π)/2=π \varphi-(2π)/(1/3)=(-2π)/(1/3)-6π 1π|-4|4 2 d p=(2π)/(|π|)=(2π)/π=2元 π 相关知...
9.Mgkethesentencos1(2)Mrk(mg⋅cosαCL_3⋅wcosk⋅(2x)⋅6y(Ω) 相关知识点: 试题来源: 解析 Mr king goes to work by taxi.关键词(句):go to work:上班by taxi:乘出租车翻译:King先生乘出租车上班。这是一个简单句,用的是一般现在时,由“主语Mr king+动词短语goes to work+介词短语by ...
苏建国:。苏建国入驻抖音,TA的抖音号是,已有700个粉丝,收获了4987个喜欢,欢迎观看苏建国在抖音发布的视频作品,来抖音,记录美好生活!