The trigonometric function .
hypotenuse = 3 and adjacent side = 2.
\The right triangle diagram is
\Now find the opposite side by using Pythagorean theorem.
\Pythagorean theorem : .
Take square root each side
\Opposite side = .
,
,
,
, and
.
The values of the trigonometric functions are ,
,
,
, and
.