Question: Prove that 0 2 c o s n - 1 d = ( n 2 ) 2 ( 1 2 ) 2 2 ( n

Prove that
02cosn-1d=(n2)2(12)22(n+12)2
Prove that 0 2 c o s n - 1 d = ( n 2 ) 2 ( 1 2 )

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