Show that 6(sinx + cosx)4 + 12(sinx - cosx)2 + 8(sin6x + cos6x) = 26 - Maths - Introduction to Trigonometry

Question

Show that 6(sinx + cosx)4 + 12(sinx - cosx)2
+ 8(sin6x + cos6x) = 26

Priyanka Kedia · Accepted Answer

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