If cos A = sin 2 A, and a sin 12 A + b sin 10 A + c sin 8 A + sin 6 A = 1, then a + b + c = ?

SSC CPO 11 Nov 2022 Shift 1 Paper

Question : 105 of 200

Marks: +1, -0

If cos A = sin²A, and a sin¹²A + b sin¹⁰A + c sin⁸A + sin⁶A = 1, then a + b + c = ?

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