x-a-k-1-k-n-is-a-sequence-of-reals-let-p-x-k-1-n-cos-a-k-xsin-a-k-if-p-x-x-2-1-q-r-find-q-and-r-

Question Number 50354 by prof Abdo imad last updated on 16/Dec/18

((x) = a_{k})_{1 ⩽ k ⩽ n} i s a s e q u e n c e o f r e a l s l e t

p (x) = \prod_{k = 1}^{n} (c o s (a_{k}) + x s i n (a_{k}))

i f p (x) = (x^{2} + 1) q + r f i n d q a n d r