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Determinati x€(0,pi/2) stiind ca 3sinx-2cosx/cosx=1

Răspuns :

Adrianalitcanu2018
(3sinx-2cosx)/cosx=1
3sinx/cosx-2cosx/cosx=1
sinx/cosx=tgx
3tgx-2=1
3tgx=3
tgx=1
x∈(0;π/2)
x=π/4

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