Express the polar equation \(r=\cos 2\theta\) in rectangular coordinates. Find the maximum height above the \(x\)-axis of the cardioid \(r=1+\cos \theta\text{.}\) Sketch the graph of the curve whose ...

Humans have been identified as the culprits behind a startling shift in Earth's axis by almost 31.5 inches ... the melting of ice from glaciers and polar regions in Greenland and Antarctica.