if sinx + sin^2 x =1,,,,,/ then the value of cos^12+ 3cos^10 + 3cos^8x + cos^6x -1 is - Maths -

Question

if sinx + sin^2 x =1,,,,,/ then the value of

cos^12+ 3cos^10 + 3cos^8x + cos^6x -1 is equal to

Pooja Khanna · Accepted Answer

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if. sinx + sin^2 x =1,,,,,/ then the value of cos^12+ 3cos^10 + 3cos^8x + cos^6x -1 is equal to