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Show that 3( sin x + cos x )^(4)-6(sinx+...

Show that `3( sin x + cos x )^(4)-6(sinx+cosx)^(2)+4(sin 6x+cos 6x)=1`.

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Show that: 3(sin x-cos x)^(4)+6(sin x+cos x)^(2)+4(sin^(6)x+cos^(6)x)=13

Show that 3(sinx-cosx)^(4)+6(sinx+cosx)^(2)+4(sin^(6)x+cos^(6)x)=13

3 (sinx - cosx)^(4) + 6 (sinx + cosx)^(2) + 4(sin^(6)x + cos^(6)x) =

3(sinx-cosx)^(4)+6(sinx+cosx)^(2)+4(sin^(6)x+cos^(6)x)=

3(sinx-cosx)^(4)+6(sinx+cosx)^(2)+4(sin^(6)x+cos^(6)x)=.....

Show that : 3 (sin x - cos x)^4 + 6 (sin x + cos x)^2 + 4(sin^6 x + cos^6 x) = 13 .

3(sinx-cosx)^(4)+6(sinx+cosx)^(2)+4(sin^(6)x+cos^(6)x) = …………..

3(sin x- cos x )^(4) + 6(sin x+ cos x )^(2) +4 (sin ^(6) x+ cos ^(6) x)=

3(sin x- cos x )^(4) + 6(sin x+ cos x )^(2) +4 (sin ^(6) x+ cos ^(6) x)=

Show that 3(sin x- cos x)^(4)+4 (sin ^(6)x+cos^(6)x)+ 6(sin x+cos x)^(2)=13