f【X】=【sinX四次方+cosX四次方+sin²Xcos²X】/【2-sin2X】化简,不给过程一分也不给.我密码huaqishen你看还有几分
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![f【X】=【sinX四次方+cosX四次方+sin²Xcos²X】/【2-sin2X】化简,不给过程一分也不给.我密码huaqishen你看还有几分](/uploads/image/z/4040895-39-5.jpg?t=f%E3%80%90X%E3%80%91%3D%E3%80%90sinX%E5%9B%9B%E6%AC%A1%E6%96%B9%2BcosX%E5%9B%9B%E6%AC%A1%E6%96%B9%2Bsin%26sup2%3BXcos%26sup2%3BX%E3%80%91%2F%E3%80%902-sin2X%E3%80%91%E5%8C%96%E7%AE%80%2C%E4%B8%8D%E7%BB%99%E8%BF%87%E7%A8%8B%E4%B8%80%E5%88%86%E4%B9%9F%E4%B8%8D%E7%BB%99.%E6%88%91%E5%AF%86%E7%A0%81huaqishen%E4%BD%A0%E7%9C%8B%E8%BF%98%E6%9C%89%E5%87%A0%E5%88%86)
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f【X】=【sinX四次方+cosX四次方+sin²Xcos²X】/【2-sin2X】化简,不给过程一分也不给.我密码huaqishen你看还有几分
f【X】=【sinX四次方+cosX四次方+sin²Xcos²X】/【2-sin2X】化简
,不给过程一分也不给.我密码huaqishen你看还有几分
f【X】=【sinX四次方+cosX四次方+sin²Xcos²X】/【2-sin2X】化简,不给过程一分也不给.我密码huaqishen你看还有几分
没分直说,别那么横 f(x)={[(sinx)^2+(cosx)^2]^2-(sinxcosx)^2}/[2(1-sinxcosx)] =[1-(sinxcosx)^2]/[2(1-sinxcosx)] =(1+sinxcosx)(1-sinxcosx)/[2(1-sinxcosx)] =(1+sinxcosx)/2 =(sin2x)/4+1/2