August 2021 0 25 Report
В треугольнике ABC угол C равен 90°, BC=5, AC=2. Найдите tgB. ВТОРАЯ ЗАДАЧА : В треугольнике ABC угол C равен 90°, cosB=25, AB=10. Найдите BC. ТРЕТЬЯ ЗАДАЧА; В треугольнике ABC угол C равен 90°, sinB=37, AB=21. Найдите AC.
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