12 с решением...

aleksand088 @aleksand088

July 2022 1 3 Report

2√3-4√3 sin^2 23pi/12 с решением

Answers & Comments

Zhiraffe =2√3*(1-2* sin^2 23pi/12)=
= 2√3*cos(2*23pi/12)=
= 2√3* √3/2=3

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