1.tg(20пи/3)= 2.tg(28пи/3)= 3.tg(-31пи/6)= 4.ctg(16пи/3)=. Created by Ладушки123. algebra-ru

3)=...

Ладушки123 @Ладушки123

June 2022 1 13 Report

1.tg(20пи/3)=
2.tg(28пи/3)=
3.tg(-31пи/6)=
4.ctg(16пи/3)=

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m11m

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1. =tg(21π/3 - π/3)=tg(7π - π/3)= -tg(π/3)= -√3
2. = -tg(31π/6) = - tg(30π/6 + π/6)= -tg(5π + π/6) =
= -tg(π/6)= - 1/√3 = -√3/3
3. =ctg(15π/3 + π/3)=ctg(5π + π/3) = ctg(π/3)= 1/√3 = √3/3

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