Ответ:
sin B = 0.8
cos B = 0.6
tg B = 1.33
Пошаговое объяснение:
BC² = 4²+3² = 16+9 = 25
sin B = 4/5 = 0.8
cos B = 3/5 = 0.6
tg B = 4/3 = 1.33
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Ответ:
sin B = 0.8
cos B = 0.6
tg B = 1.33
Пошаговое объяснение:
BC² = 4²+3² = 16+9 = 25
sin B = 4/5 = 0.8
cos B = 3/5 = 0.6
tg B = 4/3 = 1.33