cos x = -1/3

We kow that cosx= adjacent/ hypotenuse = -1/3

Then the oppsite = sqrt(3^2 - 1)= sqrt(8) = 2sqrt(2)

Then sinx = opposite/ hypotenuse = 2sqrt2/ 3

Since x is in the second quadrant, the the sin is positive.

Then **sinx = 2sqrt(2)/3 **

cos x = -1/3

We kow that cosx= adjacent/ hypotenuse = -1/3

Then the oppsite = sqrt(3^2 - 1)= sqrt(8) = 2sqrt(2)

Then sinx = opposite/ hypotenuse = 2sqrt2/ 3

Since x is in the second quadrant, the the sin is positive.

Then **sinx = 2sqrt(2)/3 **