Решение 22√6cosπ/4cos7π/6

Question

Решение
22√6cosπ/4cos7π/6

Answer 1

22√6 СosП / 4 Cos 7П /6 = 22√6 * ( - 1) / 4 Cos( П + П/6) =
= - 22√6 / ( - 4Cos П/6) = - 22√6/ 4 * ( - √3/2) =  11√2

Comments

Извини пропустила минус. 22√6 * (-1)/4Cos(П + П /6) = - 22√6 / - 4 CosП/6 = - 22√6/4 * ( - √3/2) =

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= 11 √2