Practice problem
If and θ\thetaθ is in the 2nd2^{\text{nd}}2nd quadrant, find cos(θ)\cos(\theta)cos(θ).
-558\frac{\sqrt{55}}{8}855
558\frac{\sqrt{55}}{8}855
-336\frac{\sqrt{33}}{6}633
336\frac{\sqrt{33}}{6}633
Type a concept, like “slope” or “photosynthesis”.