Factorize cos²A+3cosA+2

Frederik Spang asked Jul 17, 2022

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Frederik Spang asked Jul 17, 2022

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11 votes

Answer:

(cosA+2)(cosA+1)

Explanation:

cos^2A+cosA+2cosA+2

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

=(cosA+2)(cosA+1)

Kotauskas answered Jul 23, 2022

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