The equation is .
Graph the equation and
for
.
Graph:
\Observe the graph:
\There are an infinite number of points of intersection of these two graphs.
\Find the two positive solutions for .
Solve the trigonometric equation by using graphing utility.
\Each solution of this equation is the -coordinate of a point of intersection of the
and
.
Mark the first two intersecting points.
\Observe the graph:
\The -coordinates of the intersecting points are
and
.
First two positive solutions are .
Graph:
\There are an infinite number of points of intersection of these two graphs.
\First two positive solutions are .