Преобразуйте данное выражение с помощью формул приведения. 1. cos(π/2-t) 2.sin(π-t) 3.ctg(3π/2+t) 4.cos(2π-t) 5.tg(2t+π) 6.sin(t - π/2) 7.tg(270градусов-t) 8.cos(t-90градусов) 9.sin(720градусов + t) 10.cos(t+3,5π) 11.tg(15π-2t) 12.ctg(25π/2+t)

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