September 2021 0 11 Report
решите уравнения (тригонометрия) 1. sin(П-x)-cos(П/2+x)=корень кв. из 3 2.7cos(2x-П/3)=-3.5 3.cos(5x-П/2)=0 4.cos(3x-П/2)=1 5.сos(2-3x)=корень кв.из 2/2 6.cos(3П/2+x)= корень кв.из3/2 7.sin2xcos2x+0.5=0 8.2sinxcosx=1/2 9.cos в кв. x - sin в кв. x = -1/2
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