y=sinx+cos+sinxcosx的最值
人气:113 ℃ 时间:2020-01-31 17:47:46
解答
sinx+cos=v
sinxcosx=(v^2-1)/2
y就是关于v的2次函数了 注意v的范围
推荐
猜你喜欢
- 设原点坐标为O,抛物线y^2=4x与过焦点的直线交于A,B两点,求向量OA乘以向量OB等于多少
- What do you think of Nasreddin?Why do you think so?
- _____ is celebrated on 14th,July. A.Mother's Day B.American Independence Day C.Father's Day
- 已知x,y为有理数,满足根号2x+3(y-2根号2)=6+3根号2,求x+y的值
- 朱自清散文中的优美语句
- 被除数、除数、商、余数的和是89,商是7,余数是5.被除数、除数各是多少?直接说算式
- Which do you think is more important in the information age,books or computer?写一段话
- 你从这篇短文明白了什么道理?