ПРОШУ, ПОМОГИТЕ: sinxcosx - 3cos^2x = 0
sinxcosx - 3cos²x = 0 |:cos²x
tgx-3=0
tgx=3
x=arctg3+πn, n ∈ Z
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sinxcosx - 3cos²x = 0 |:cos²x
tgx-3=0
tgx=3
x=arctg3+πn, n ∈ Z