Ответ:
cos18°/cos162°=cos18°/cos(180°-18°)=cos18/-cos18=-1
Объяснение:
cos(180°[email protected])[email protected]
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Ответ:
cos18°/cos162°=cos18°/cos(180°-18°)=cos18/-cos18=-1
Объяснение:
cos(180°[email protected])[email protected]