Ответ:
cosx+sin(x/2)=0
Объяснение:
cos(x/2 +x/2)+sin(x/2)=0, 1-2(sin(x/2))^2+sin(x/2)=0
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Ответ:
cosx+sin(x/2)=0
Объяснение:
cos(x/2 +x/2)+sin(x/2)=0, 1-2(sin(x/2))^2+sin(x/2)=0