If sin(θ)=513\sin(\theta) = \frac{5}{13}sin(θ)=135 and θ\thetaθ is in the second quadrant, find cos(θ)\cos(\theta)cos(θ).
1213\frac{12}{13}1312
513\frac{5}{13}135
−513-\frac{5}{13}−135
−1213-\frac{12}{13}−1312