What do you think the graph of \(y = \cos 2x^\circ\) would look ... point when \(y = - 1\) The graph looks like: Now try the example questions below.
1. Use the table below to draw a conversion graph for litres and gallons. Plot 0 to 20 gallons on the \({x}\) axis and 0 to 100 litres on the \({y}\) axis. 2. Using the conversion 1 mile = 1.6 km ...