If log_3(5) = 3y, log_3(4) = 2x, and log_3(m^2) = 6, then log_3(100m^2) is equivalent to what? Which of the products below is equivalent to sin(4x)+sin(6x)? -2sin(5x)sinx -2sin(5x)cosx -2sin(x)cos(5x) 2cos(x)cos(5x) 2sin(5x)cos(x) ...
-sin2x+sinxsinx+cosx+n-What is your sister doing now? lhe is___. -8/(35)⊙ 相关知识点: 试题来源: 解析 doing homework关键词(句):now:现在翻译:— 现在你妹妹在做什么?根据图片可知,她在写作业do homework;根据问句可知用现在进行时is doing homework。
∫cosx−sinx(sinx+cosx)dx View Solution The value of∫dxsinxcosx+3cos2xis View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium NCERT Solutions for Class 11 English Medium NCERT Solutions for Class 10 English Medium ...
the same. In equations with one variable, we can isolate the variable, find its numerical value, and verify if there is equality; we substitute the value of the variable and perform the corresponding mathematical operations; the numerical value of both sides of the ...
The value of integral I=int(sinx+cosx)/sqrt(1+sin 2x) dx is View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep, NEET preparation and CBSE, UP Board...
Is the following true or false? d^2/dx^2 (x^2cosx) = 2cosx - 4xsinx - x^2cosx Summation (n = 0 to infinity) ((-1)^n)5 by 4^n) = 4. True or false? Summation (n = 1 to infinity) (((-1)^(n-1))(2^(n-1))) by (5^(n-1)) = 5 ...
某公司正在对前来应聘的大学生进行逐一的面试。以下是毕业生小李与主考官的对话实录：主考官甲：请坐！介绍一下自己，好吗？小李：您好，我叫李华。我对软件开发很感兴趣，同时作为班团干部也参与、组织了不少社会活动。这是我的成绩单和个人简历，请您过目。主考官甲：你了解我们公司吗？///。
结合语境，在横线处补写出恰当的句子。（4分） 我突然想到人的内心世界在审美上是多么神奇。你看，遥远的东西是美丽的，因为长距离为人们留下了想象的空间，如悠远的远山，如沉沉的黑夜; ， ， ， ；短暂的东西是美丽的，因为它只截取最美的一瞬间为大家留下了永远的回忆，如盛开的鲜花，如美丽的邂逅。
答案:D解析:∵f(sinx)=2-(1-2sin2x)=1+2sin2x,∴f(cosx)=f(sin2-x)=1+2sin2(2-x)=1+2cos2x=2+cos2x.答案:D 结果四 题目 若f(sinx)=2-cos2x,则f(cosx)等于( ) A. 2-sin2x B. 2+sin2x C. 2-cos2x D. 2+cos2x 答案 D解:∵f(sinx)=2-(1-2sin2x)=1+2sin2x,∴f(x)...
Irrational numbers are the same as rational numbers. True False true or false, The distributive property says that you can give out a factor to both numbers in a sum then add them together afterward. If y = sin(ln x), then y pri...