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am nevoie de toate ex va rog frumos urgent!!!!​

Am Nevoie De Toate Ex Va Rog Frumos Urgent class=

Răspuns :

Răspuns:

a)

sin30=1/2

tg45=1

cos30=rad3/2

ctg60=rad3/3

1/2 + 1/2 = 1

b)

sin60=rad3/2

cos60=1/2

sin30=1/2

cos30=rad3/2

sin45=cos45=rad2/2

rad3/4 + rad3/4 - 1/2 = (rad3-1)/2