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nifgame1
@nifgame1
June 2023
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Вычислите по рисунку: 1) sin ZA, cos ZA, tg ZA; 2) sin 2В, cos 2В, tg dB (рисунок 1).
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M1kee
Находим гипотенузу по теореме Пифагора. AB^2 = 8^2 + 6^2 = 100.
AB = 10.
Теперь зная все стороны подставляем.
sinA = 6/10 = 0,6
cosA = 8/10 = 0,8
tgA = 6/8 = 0,75
sinB = 8/10 = 0,8
cosB = 6/10 = 0,6
tgB = 8/6 = 4/3 = 1 1/3
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Answers & Comments
AB = 10.
Теперь зная все стороны подставляем.
sinA = 6/10 = 0,6
cosA = 8/10 = 0,8
tgA = 6/8 = 0,75
sinB = 8/10 = 0,8
cosB = 6/10 = 0,6
tgB = 8/6 = 4/3 = 1 1/3