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nadejdatarakina
@nadejdatarakina
October 2021
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1. Вычислите:
А) sin 7п:3
Б) cos (-5п:4)
В) tg (-13п:6)
Г) ctg 13,5п
2. Решите уравнения:
А) sin t=1/2
Б) cos t =-корень из 3:2
3. Упростите выражение:
Ctg t • sin(-t) + cos(2п-t)
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nadejdatarakina
October 2021 | 0 Ответы
reshite uravnenie sin tkoren iz 2 delenyj na 2
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nadejdatarakina
October 2021 | 0 Ответы
reshite uravnenie cos t odna vtoraya
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