tabel de valori rice

2
TABEL DE VALORI PENTRU: sin , cos , tg , ctg sin 2 u + cos 2 u = 1 u 0 30 0 45 0 60 0 90 0 si n 1 2 √2 2 √3 2 1 co s √3 2 √2 2 1 2 0 tg √3 3 1 √3 ct g √3 1 √3 3 0

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Page 1: Tabel de Valori rice

TABEL DE VALORI PENTRU:sin , cos , tg , ctg

sin2u + cos2u = 1

u0 300 450 600 900

sin12

√22

√32

1

cos √32

√2 2

1 2

0

tg √3 3

1 √3

ctg √3 1 √3 3

0

sin(900-u0)=cos u0 tg(900-u0)=ctg u0

cos(900-u0)=sin u0 ctg(900-u0)=tg u0

Page 2: Tabel de Valori rice