04-08-2021
Mathematics

contestada

Factorize cos²A+3cosA+2

Respuesta :

Аноним Аноним

04-08-2021

Answer:

(cosA+2)(cosA+1)

Step-by-step explanation:

cos^2A+cosA+2cosA+2

=cos(A)(cosA+1)+2(cosA+1)

=(cosA+2)(cosA+1)

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