prove that cosa cos2a cos4a cos(2n-1a) = sin 2n - Maths - Principle of Mathematical Induction

Question

prove that cosa cos2a cos4a cos(2n-1​a) = sin
2n a / 2n sin a

Lovina Kansal · Accepted Answer

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prove that cosa . cos2a . cos4a ..... cos(2n-1​a) = sin 2n a / 2n sin a

prove that cosa . cos2a . cos4a ..... cos(2^n-1a) = sin 2ⁿ a / 2ⁿ sin a