Verified answer

cosθ = -12/13

sin²θ = 1-cos²θ = 25/169

Since θ is in quadrant III, sinθ = -√(25/269) = -5/13

tanθ = sinθ/cosθ = 5/12

secθ = 1/cosθ = -13/12

Sin ϴ=-5/13

Tan ϴ=5/12

and sec ϴ=-13/12