M
mylove92


1/
[TEX]sin^{2009}x+cos^{2009}x=1[/TEX]
2/
[TEX]1+sin^3x +cos^3x =\frac{3sin2x}{2}[/TEX]
3/
[TEX]4cos4x(cos4x+1)+\sqrt{1-cos3x}+1=0[/TEX]
[TEX]sin^{2009}x+cos^{2009}x=1[/TEX]
2/
[TEX]1+sin^3x +cos^3x =\frac{3sin2x}{2}[/TEX]
3/
[TEX]4cos4x(cos4x+1)+\sqrt{1-cos3x}+1=0[/TEX]
Last edited by a moderator: