# math

posted by
**Yulieth**
.

if cosθ=2/3 and tanθ<0 find the exact value

sin(θ-5π/3)

sin2θ

cos2θ

cos(θ/2)

can some1 please help me?

posted by
**Yulieth**
.

if cosθ=2/3 and tanθ<0 find the exact value

sin(θ-5π/3)

sin2θ

cos2θ

cos(θ/2)

can some1 please help me?