August 2022 1 3 Report
1. Найдите значение выражения
А) sin300*; B) tg(-2п/3)
2. Упростите выражение
А) sin(п+а)+cos(3/2 п-a)
Б) tg (п/2+а) - ctg (2п-а)
В) cos2a+2sin^2(п-а)
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