а) ctg(x) + p/3 = √3ctg(x) = √3 - p/3x = arctg(√3 - p/3)
б) tg(x) + 6tg(x) = 5tg(x) * (1 + 6) = 5tg(x) = 5/7x = arctg(5/7)
а) ctg(x) + p/3 = √3
ctg(x) = √3 - p/3
x = arctg(√3 - p/3)
б) tg(x) + 6tg(x) = 5
tg(x) * (1 + 6) = 5
tg(x) = 5/7
x = arctg(5/7)