(a)
\Let be a point in the first quadrant.
Graph the line through point and the origin.
Label the length of the hypotenuse as .
The line makes an angle with -axis be
.
Draw a right angle triangle by connecting the points ,
, and the origin.
(b)
\Length of opposite side to the angle is
.
Length of adjacent side to the angle is
.
Length of the hypotenuse is .
Pythagorean Theorem : .
The value of in terms
and
is
.
(c)
\Trigonometric function : .
Trigonometric function : .
Trigonometric function : .
.
(d)
\Let .
The point can be represented as
where
.
(e)
\Find slope of the line for the points and
.
Slope of the line is .
corresponds to the slope of the line.
(f)
\Find slope of the line perpendicular to the line in part (a).
\The slope of the line perpendicular to a line with slope is
.
The slope of the line perpendicular to slope is
.
Trigonometric function : .
Slope of the line perpendicular to the line in part (a) in terms of is
.
.(a)
\(b)
\The value of in terms
and
is
.
(c)
\.
(d)
\Write the point as
Where
.
(e)
\Trigonometric ratio is corresponds to the slope of the line.
(f)
\Slope of the line perpendicular to the line in part (a) in terms of is
.