sin(∏-x/2)化简
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/03 04:07:09
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sin(∏-x/2)化简
化简sin(-2x)
化简 cos^2(x)*sin^2(x)-sin^2(x)
化简 cos^(2)(x)*sin^(2)(x)-sin^(2)(x)
化简sin^4x-sin^2x+cos^2x
化简:sin^4 x-sin^2 x+cos^2 x
化简(sin x+cos x-1)(sin x-cos x+1)/sin 2x
化简[1-(sin^4 x-sin^2 xcos^2 x+cos^4 x)]/(sin^2 x)+3sin^2 x
化简(sin^2 x/sin x-cosx)-(sin x+cosx/tan^2 x-1)
化简[1-(sin^4x-sin^2cos^2x+cos^4x)/(sin^2)]+3sin^2x
化简 sin²x+sin²(x+2π/3)+sin²(x-2π/3)
sin^2(x) -con^2(x) 化简
化简sin^4x+cos^2x
化简(sin^2x-cos^4x+cos^2x-sin^4x)/(sin^2x-cos^6x+cos^2x-sin^6x)
化简sin(2x-y)*sin y+cos(2x-y)*sin y
化简:[sin(2π-2)cos(π+x)tan(π-x)]/[cos(π-x)sin(3π-x)sin...化简:[sin(2π-2)cos(π+x)tan(π-x)]/[cos(π-x)sin(3π-x)sin(-π-x)]
化简Sin(90度-2X)
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】