Дано: tg(α) = 3
sin(α) = tg(α) / √(1 + tg^2(α))sin(α) = 3 / √(1 + 3^2)sin(α) = 3 / √10sin(α) = 3√10 / 10
sin^2(α) = (3√10 / 10)^2sin^2(α) = (9 * 10) / (10^2)sin^2(α) = 90/100sin^2(α) = 0.9
Ответ: sin^2(α) = 0.9
Дано: tg(α) = 3
sin(α) = tg(α) / √(1 + tg^2(α))
sin(α) = 3 / √(1 + 3^2)
sin(α) = 3 / √10
sin(α) = 3√10 / 10
sin^2(α) = (3√10 / 10)^2
sin^2(α) = (9 * 10) / (10^2)
sin^2(α) = 90/100
sin^2(α) = 0.9
Ответ: sin^2(α) = 0.9