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calculind:2sin45°•tg45°-6cos60°•ctg60°+2sin30°=.......
ofer 25 puncte


Răspuns :

aici zice ca imi da 5 puncte. oricum fac exercitiul. 2*√2/2*1-6*1/2*√3/3+2*1/2 = √2-√3 + 1
2*sin 45*tg45-6cos60*ctg60+2sin30=
2*√2/2*1-6*1/2*√3/3+2*1/2=
√2-√3+1