(sint+cos)^2 делить ** 1+2sint×cost упростить

Question

(sint+cos)^2 делить на 1+2sint×cost упростить

Answer 1

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

Ответ: 1.