sin²x+sin²(x+2π/3)+sin²(x-2π/3)
化简 sin²x+sin²(x+2π/3)+sin²(x-2π/3)
1个回答
相关问题
-
sin(x+π) sin(x+3/2π)怎么化简?
-
化简：（sinx）^2+(sin（x+π/3))^2+(sin(x+2π/3))^2
-
化简sin(π+π/3)+2sin(x-π/3)-根号下3 *cos(2π/3-x)
-
sin（π-x）sin（π/2 -x）+(cosx）²化简
-
化简sin(3π-x)cos(x-3/2)cos(4π-x)/tan(x-5π)cos(π/2+x)sin(x-5/2π
-
化简3sin(2x+π/3)-√3cos(2x+π/3)
-
化简sin(2x+π/3)-（根号3）sin²x+sinxcosx+(根号3)/2
-
化简f（x）=2cos（x-π/3）+2sin（3π/2+x）
-
化简cos2x/【sin（x+π/4）sin（x-π/4）】=?
-
sin(π/3-3x)cos(π/3+3x)-cos(π/6-3x)sin(π/6+3x) 化简