Show that : `3 (sin x - cos x)^4 + 6 (sin x + cos x)^2 + 4(sin^6 x + cos^6 x) = 13`.
Channel: Doubtnut
Date: 2020-04-05

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