Расписать: (это системы)
1) { 2sin^2x-7sinx+3=0,
{ 8sinx+5y=14
2) { 2cos^2x+5cosx+2=0,
{cosx+siny=-1
1) { 2sin^2x-7sinx+3=0,
{ 8sinx+5y=14
2) { 2cos^2x+5cosx+2=0,
{cosx+siny=-1
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