Examine the graph of $y=\cos x$y=cosx.
How long is one cycle of the graph?
State the $x$x values for which $\cos x=0$cosx=0, from $x=0$x=0 to $x=2\pi$x=2π inclusive.
State the first $x$x value for which $\cos x=0.5$cosx=0.5
Using the symmetry of the graph, for what other value of $x$x shown on the graph does $\cos x=0.5$cosx=0.5?
Using the symmetry of the graph, for what values of $x$x does $\cos x=-0.5$cosx=−0.5?
Consider the function $y=\tan x$y=tanx.
Consider the function $y=3\sin x$y=3sinx.
Examine the graph of $y=\tan x$y=tanx.