ответ:
1. tg4x=√3/3⇒4x=arctg(√3/3)+πn⇒4x=
=π/6+πn⇒x== π/24+πn/4
2. cos(3x)=- (√2/2)3x=+-3п/4+2пк x=
=+-п/4+2пк/3
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ответ:
1. tg4x=√3/3⇒4x=arctg(√3/3)+πn⇒4x=
=π/6+πn⇒x== π/24+πn/4
2. cos(3x)=- (√2/2)3x=+-3п/4+2пк x=
=+-п/4+2пк/3