��.33.16 �� 10 �� (��)

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$�� 33.16. �� :1) {y-x=60�, cos(x)+cos(y)=1,5};2) {x+y=?/4, sin^2(x)+sin^2(y)=1};3) {sin(x)cos(y)=-0,5,...$

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33.16. �� :

1) {y-x=60�, cos(x)+cos(y)=1,5};

2) {x+y=?/4, sin^2(x)+sin^2(y)=1};

3) {sin(x)cos(y)=-0,5, cos(x)sin(y)=0,5}.

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