If cos(θ)=45\cos(\theta) = \frac{4}{5}cos(θ)=54 and θ\thetaθ is in Quadrant IV, what is tan(θ)\tan(\theta)tan(θ)?
3/43/43/4
−3/4-3/4−3/4
4/34/34/3
−4/3-4/3−4/3