问题
解答题
求方程2sin(x+
|
答案
方程2sin(x+
)=1化为:sin(x+π 6
)=π 6 1 2
所以x+
=2kπ+π 6
,或 x+π 6
=2kπ+π 6
,k∈z5π 6
方程2sin(x+
)=1解集为:{x|x=kπ+[(-1)k-1]π 6
,k∈Z}.π 6
求方程2sin(x+
|
方程2sin(x+
)=1化为:sin(x+π 6
)=π 6 1 2
所以x+
=2kπ+π 6
,或 x+π 6
=2kπ+π 6
,k∈z5π 6
方程2sin(x+
)=1解集为:{x|x=kπ+[(-1)k-1]π 6
,k∈Z}.π 6