>
数学
>
Y=1-cosx除以sinx的微分
人气:250 ℃ 时间:2020-04-27 21:16:29
解答
Y=(1-cosx)/sinx=2[sin(x/2)]^2/2sin(x/2)cos(x/2)=tg(x/2)
所以dY/dx=[sec(x/2)]^2*1/2=1/2[sec(x/2)]^2
推荐
求微分的题
求一道微分题
求问一道常微分题目
求微分
一道求微分的题目
核素和同位素有什么区别?
1*1+2*3+3*5+4*7+……+20*39
we go to schoool from monday to firday /(同义句) we go to school _____ _______ ______.
猜你喜欢
Mr.Smith,there’s a man at ________ front door who says he has________new for you of great importance.
who is _____(better,best)student in yourclass
Once you have cured the water pollution problem,you will have to take steps to avoid it___again,
3个连续的自然数的和为21,这3个数的最小公倍数是几?
如果代数式3x-8y的值为2010,那么代数式2(x+6y)-8(x-y)-4-4y的值为_.
已知不等式3x-a大于等于0的正整数解恰是1,2,3,则a的取值范围?
计算(2012分之1-1)×(2011分之1-1)×(2010分之1-1)×···×(2000分之1-1)
找规律填数字 (急!)
© 2024 79432.Com All Rights Reserved.
电脑版
|
手机版