>
数学
>
(sint cost)^2 的不定积分
人气:468 ℃ 时间:2020-03-28 16:00:48
解答
∫(sint·cost)²dt
=∫(½·sin2t)²dt
=1/4·∫(sin2t)²dt
=1/4·∫(1-cos4t)/2 dt
=1/8·∫(1-cos4t)dt
=1/8·(t-1/4·sin4t)+C
=t/8-1/32·sin4t+C
推荐
如何直接看出0到pai/2定积分cost/(sint+cost)与sint/(sint+cost)相等?
1/(sint)^2和1/(cost)^2的不定积分
像下面的不定积分一般都怎么求,∫a(tant)∧2dt ,∫[(cost)∧2]/[(sint)∧4]dt
sint的平方分之cost的不定积分怎么求?
(sint)^9*(cost)^3的不定积分怎么求
The rain didn't make much d_____ to the game
从地平面A、B、C三点测得某山顶的仰角均为15度,角BAC=30度,BC=200M求山高.
1、统计学是一门收集、整理和分析数据的方法科学.( )
猜你喜欢
请问logging over100 hours a week on many occasions怎样翻译?
it is three years since we____(most recently) met each other at david's part
A man is milking the cows.的中文意思
终年望余雪诗的诗意什么?
形容画眉鸟中的顾名思义是什么意思
Shall I help you with dish?帮你加菜的意思?
What are you say 和 What do you say?What are y
用一把钢尺和一把塑料尺分别写出如何探究音调,响度,音色
© 2025 79432.Com All Rights Reserved.
电脑版
|
手机版