Practice problem
If tan(θ)=4\tan(\theta)=4tan(θ)=4, and , find cos(θ)\cos(\theta)cos(θ).
41717\frac{4\sqrt{17}}{17}17417
−41717-\frac{4\sqrt{17}}{17}−17417
1717\frac{\sqrt{17}}{17}1717
−1717-\frac{\sqrt{17}}{17}−1717
Type a concept, like “slope” or “photosynthesis”.