If sin Θ = 2 over 3 and tan Θ < 0, what is the value of cos Θ?

- square root 5 over 2
- negative square root of 5
- square root of 5 over 3
- negative square root of 5 over 3

If sin Θ = 2 over 3 and tan Θ < 0, what is the value of cos Θ?

- square root 5 over 2
- negative square root of 5
- square root of 5 over 3
- negative square root of 5 over 3