(Sint + Cost)²/(1 + 2Sint*Cost) = (Sin²t + 2Sint*Cost + Cos²t)/(1 + 2Sint*Cost) = (1 + 2Sint*Cost)/(1 + 2Sint*Cost) = 1.
ответ: 1.
(Sint + Cost)²/(1 + 2Sint*Cost) = (Sin²t + 2Sint*Cost + Cos²t)/(1 + 2Sint*Cost) = (1 + 2Sint*Cost)/(1 + 2Sint*Cost) = 1.
ответ: 1.