Question

sin x = radical 3 supra 2
a) cosx = ?
b) tgx=?
c)ctgx=?

Answer 1

cosx=0.65

tgx=1.161

ctgx=1.782

Sper ca te-am ajutat! Coroana?

Answer 2

a) sin²x+ cos²x=1

cos²x=1-sin²x

cos²x= 1-3/4

cos²x=1/4

cos x=1/2

b) tgx=sinx/cosx

tgx= rad3/2×2

tgx= rad 3

c) ctg x= cosx/sinx

ctgx=1/2×2/rad3

ctgx=1/rad3