tg(x+pi/4) + tg (x - pi/4) = tg x. Created by maaaaaaarusya. algebra-ru

4) = tg x...

August 2022 1 12 Report

tg(x+pi/4) + tg (x - pi/4) = tg x

Answers & Comments

rskopov Решение:

sin(x+pi/4+x-pi/4)/cos(x-pi/4)cos(x+pi/4)=sinx/cosx
4sinxcosx/cos2x=sinx/cosx
sinx=0
x=Пk
4cosx=cos2x
4cosx=2cos^2x-1
(2+-sqrt(6))/2
1+sqrt(6)/2>1
(1-sqrt(6)/2>-1
нет решения
Ответ: x=Пk.

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pomogite reshit logarifmicheskoe uravnenielog3x log15xlog15125v skobkah os

cos x koren iz 3 sin x 1

roditeli byli normalnymi no u nekotoryh detej proyavilsya priznak karlikovosti i

7x2 5xy 12y2 0 sm vlozhenie

pomogite reshit eshyo odnoneravenstvo s modulemzadanie vo vlozhenii

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