化简(sin^4+cos^4+sin^2xcos^2x)/(2-sin2x)

化简sin^4x-sin^2x+cos^2x 化简:sin^4 x-sin^2 x+cos^2 x 化简[1-(sin^4x-sin^2cos^2x+cos^4x)/(sin^2)]+3sin^2x sin^4+sin^2cos^2+cos^2a= 化简sin^4x+cos^2x 化简(sin^2x-cos^4x+cos^2x-sin^4x)/(sin^2x-cos^6x+cos^2x-sin^6x) (1-sin^4a-cos^4)/(sin^2a-sin^4a) 化简 化简[1-(sin^4 x-sin^2 xcos^2 x+cos^4 x)]/(sin^2 x)+3sin^2 x 化简sin^4α+cos^4α+2sin^2α*cos^2α-1 化简：sin^4a+cos^2a-sin^2a-cos^4a 化简cos^4角+sin^2角cos^2角+sin^2角 化简sin^4α+cos^2α+sin^2α*cos^2α 化简4sin派/8*cos派/8*(cos^2派/8-sin^2派/8) 化简:cos^4α-sin^4α+2sin^2α化简：cos^4α-sin^4α+2sin^2α 化简【完整步骤!】1.（sin^4x-sin^2x）/secx2.sin^4x-cos^4x【这道题的正确答案是sin^2x-cos^2x】 求cos(4sinx)、cos(3sinx)、sin(cosx)、sin(cos2x)、sin(cos3x)、sin(2cosx)值域 化简sin(α-5π)/cos(3π-α)×cos(π/2-α)/sin(α-3π)×cos(8π-α)/sin(-α-4π) sin^8X+cos^8X+4sin^2Xcos^2x-2sin^4xcos^4X(化简）