Question

Дам 50 баллов.
Решите систему .
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Answer 1

Ответ:

{x+y=5/6 {sinx*cosy-3/4 =→ 1/2*(sin(x-y)+sin(x+y))-3/4 sin(x-y)+sin(x-ty)-3/2 sin(x-y)+sin5T/6=3/2 sin(x-y)=3/2-1/2 sin(x-y)=1 (x-у-п/2 {x+y=5/6 2x=4TT/3 x=2/3 y=51/6-21/3=51/6-41/6 У-п/6 (2п/3;п/6)

Answer 2

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