Предмет: Геометрия, автор: DeLoNFeeD

геометрия как решить эти 2 задания

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Ответы

Автор ответа: Аноним

Ответ:

Объяснение:

1) sina=5/13

2) tga=2/7;

Теорема Пифагора

√(2²+7²)=√(4+49)=√53 гипотенуза.

cosa=7/√53

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