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3) Daca x€ (0, π/2) si cos x= 8/17, sa se calculeze:
a)sinx
b)tgx
c)ctgx
d)sin2x
e)cos2x
f)tg2x

4)Sa se calculeze:
a)cos 450°
b)sin (33 π)/4

Am nevoie urgent dau coroana


3 Daca X 0 Π2 Si Cos X 817 Sa Se Calculeze Asinx Btgx Cctgx Dsin2x Ecos2x Ftg2x 4Sa Se Calculeze Acos 450 Bsin 33 Π4 Am Nevoie Urgent Dau Coroana class=