已知sin(π6
已知sin(x+π6)=14
已知sin(x+π/6)=1/3,求sin(5π/6-x)+sin^2(π/3-x)
1.已知sin(π/6-x)=1/4,sin(π/6+2x)=?
已知sin(π/6+a)=(根号3)/3,求sin(2π/3+a)?
已知函数f(x)=2sin(ax-π/6)sin(ax+π/3)
已知2sin(a/2)=cos(a/2),则sin(a+π/6)=
已知f(x)=2sin(2x+π/6),
已知y=sin(2x+π/6) 求值域
已知函数f(x)=2cos(x-π/6)sin(x+π/6)-√3*(sin(x-π/6))^2+sin(x-π/6)c
已知函数f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4)=sin(2x-π/6) ,
已知sin(x+π/6)=1/4,则sin(7π+x)+sin^2(5π/6-x)的值
已知sin(x+π/6)=-3/5,求sin²(π/3-x)-sin(5π/6-x)的值