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lebedeva2004
@lebedeva2004
September 2021
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4cos60°+2sin30°-√2sin45°+√3cos30°-2tg45°
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aynuradem55
Cos60=1/2
sin30=1/2
sin45=&2/2 &-это я так обозначила корень.
сos30=&3/2
tg45=1
4*1/2+2*1/2-&2*&2/2+&3*&3/2-2*1= 2+1-1+1,5-2= 1,5
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Answers & Comments
sin30=1/2
sin45=&2/2 &-это я так обозначила корень.
сos30=&3/2
tg45=1
4*1/2+2*1/2-&2*&2/2+&3*&3/2-2*1= 2+1-1+1,5-2= 1,5