Предмет: Алгебра, автор: tosya01

cos(a-b)+cos(π/2-a) •sin(-b)


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Автор ответа: OblivionFire
1

Ответ:

см.фото,,,,,,,,,,,,,,,,,,

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Britain is famous not only for its rock groups
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Look at the musical map of Britain. In Scotland
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Welsh romantic and sentimental bards*
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