sqrt - корень; ^ - градус; * - умножение; / - знак дроби
95. sin (45^)=sqrt2/2
sqrt2*(-sqrt2/2)=-2/2=-1
96. sin(60^)=sqrt3/2
6*(-sqrt3/2)=-3sqrt3
97. p=180^; 2p/12=180/6=30^
cos30^=sqrt3/2; sin30^=1/2
cos30^-sin30^=(sqrt3/2)-1/2=sqrt3-1/2
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sqrt - корень; ^ - градус; * - умножение; / - знак дроби
95. sin (45^)=sqrt2/2
sqrt2*(-sqrt2/2)=-2/2=-1
96. sin(60^)=sqrt3/2
6*(-sqrt3/2)=-3sqrt3
97. p=180^; 2p/12=180/6=30^
cos30^=sqrt3/2; sin30^=1/2
cos30^-sin30^=(sqrt3/2)-1/2=sqrt3-1/2