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BlueSky10
@BlueSky10
August 2022
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aleks41
А) х²=4+8=12; х=√12=√4·3=2√3. х=2√3.
б) tgα=x/a; x=a·tgα.
в) sin60=x/5; √3/2=x/5; 2x=5√3; x=2,5√3.
г) х²=2²-1²=4-1=3; х=√3.
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Answers & Comments
б) tgα=x/a; x=a·tgα.
в) sin60=x/5; √3/2=x/5; 2x=5√3; x=2,5√3.
г) х²=2²-1²=4-1=3; х=√3.