Ответ:
tgB=CA/CB=6/8
cosB=CB/AB=8/10 (по т.Пифагора AB=10см)
sinB=CA/AB=6/10
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Ответ:
tgB=CA/CB=6/8
cosB=CB/AB=8/10 (по т.Пифагора AB=10см)
sinB=CA/AB=6/10