问题
填空题
函数y=sin(2x+
|
答案
y=sin(2x+
)+cos(2x+π 3
)=sin(2x+π 6
)+sin(π 3
+2x+π 2
)=sin(2x+π 6
)+sin(2x+π 3
)=2cos2xcos(-2π 3
)=cos2xπ 3
∴最小正周期T=
=π,2π 2
故答案为π
函数y=sin(2x+
|
y=sin(2x+
)+cos(2x+π 3
)=sin(2x+π 6
)+sin(π 3
+2x+π 2
)=sin(2x+π 6
)+sin(2x+π 3
)=2cos2xcos(-2π 3
)=cos2xπ 3
∴最小正周期T=
=π,2π 2
故答案为π