化简:{(1+sinx+cosx)[sin(x/2)-cos(x/2)}/根号下的(2+2cosx)
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化简:{(1+sinx+cosx)[sin(x/2)-cos(x/2)}/根号下的(2+2cosx)化简:{(1+sinx+cosx)[sin(x/2)-cos(x/2)}/根号下的(2+2cosx)
化简:{(1+sinx+cosx)[sin(x/2)-cos(x/2)}/根号下的(2+2cosx)
化简:{(1+sinx+cosx)[sin(x/2)-cos(x/2)}/根号下的(2+2cosx)
化简:{(1+sinx+cosx)[sin(x/2)-cos(x/2)}/根号下的(2+2cosx)
[1+2cosx/2*sinx/2+cos(x/2)^2-sin(x/2)^2 ][sin(x/2)-cos(x/2)]/根号下的[2*2cos(x/2)^2]
=2cos(x/2)[sin(x/2)+cos(x/2)][sin(x/2)-cos(x/2)]/2cos(x/2)
=-cosx
化简:(1+sinx+cosx) / (1+sinx-cosx)
1+sinx-cosx/1+sinx+cosx 化简
化简:(1+cosx-sinx)/(1-cosx-sinx)+(1-cosx-sinx)/(1+cosx-sinx)
化简:(1+sinx+cosx/1+sinx-cosx) + (1+sinx-cosx/1+sinx+cosx)
化简((sinx+cosx -1)(sinx-cosx+1)-2cosx)/sin2x
化简((sinx+cosx-1)(sinx-cosx+1)-2cosx)/sin2x
化简:sinx/(sinx-cosx) -(sinx+cosx)/(tanx-1)
化简:(sinx)^2/(sinx-cosx)-(sinx+cosx)/((tanx)^2-1)
化简tanx(cosx-sinx)+[sinx(sinx+tanx)]/(1+cosx)
化简:(sinx-1/sinx)(cosx-1/cosx)(tanx+1/tanx)
化简:(sinx+cosx-1)(sinx-cosx+1)/sin2x
化简(sinx+cosx-1)(sinx-cosx+1)分之sin2x
化简sin2x/(sinx+cosx-1)(sinx-cosx+1)急
化简(1)sinx+cosx (2)sinx-cosx
化简1+sinX+cosX+sinXcosX
化简:1/sinxcosx-cosx/sinx
化简(1-sinx)/cosx
化简(1+sinx)/cosx