原方程即2sinxcosx=(sinx)^2
tanx=2
x=kπ+arctan2(k为整数）
猜你喜欢
- 1圆锥的母线AB=12,底面半径为2,从点B绕其表面一周回到点B,最短距离是多少
- 2The girl comes from Thailand.划线部分：Thailand 对划线部分提问
- 3已知某圆拱桥的水面跨度为20m，拱高为4m，现有一船，船宽为10m，水面以上高为3m，问这条船能否从桥下通过？
- 4Happiness is nonetheless true happiness because it must come to end,nor do thought and love lose their value because the
- 5汽车里程表显示已行驶14941千米,这个数字两面读是一样的.汽车又行驶了4小时,仍一样,而且出现2次,这辆汽车在4消失中的平均时速是
- 6Mr wang at home last Sunday.请找出其中的一处错误,并改正.
- 7She opened the door and saw a very short man who was in white walking along the street.
- 8I met Miss Li on/in Shandong Street yesterday.这句话到底是应该用in还是on?
- 9thank you all the same all the same的意思
- 10二加二的平方再加二的三次方一直加到二的99次方等于多少