问题
填空题
化简:sin2(x+
|
答案
sin2(x+
)+sin2(x-π 3
)=sin2(x+π 6
)+sin2[π 3
+(x-π 2
)]=sin2(x+π 6
)+cos2(x+π 3
)=1.π 3
故答案为:1
化简:sin2(x+
|
sin2(x+
)+sin2(x-π 3
)=sin2(x+π 6
)+sin2[π 3
+(x-π 2
)]=sin2(x+π 6
)+cos2(x+π 3
)=1.π 3
故答案为:1