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kisazaya8
@kisazaya8
July 2022
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Решить уравнения:
1) 3sinx=0
2) 3cosx-2sinx=0
3) 6cosx+5cos(3pi/2 -x)=7
4) cos(pi-x)=sin pi/2
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Answers & Comments
kat99rus
1. sin x=0
x=pi* x
2.3cosx-2sinx=0|:cosxнеравно 0(и дальше)
3-2tgx=0
2tgx=3
tgx=1,5
x=arctg1,5+pi*n
4.-cosx=0
cosx=pi/2+pi*n
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Answers & Comments
x=pi* x
2.3cosx-2sinx=0|:cosxнеравно 0(и дальше)
3-2tgx=0
2tgx=3
tgx=1,5
x=arctg1,5+pi*n
4.-cosx=0
cosx=pi/2+pi*n