Observe the diagram.
\Tthe length of opposite side to is
.
The length of adjacent side to is
.
The length of the hypotenuse is .
Find sides of a rightangle triangle and
using trigonometric functions.
Trigonometric function : .
Trigonometric function : .
Find the angle
In the diagram sum of angles and
is equal to
.
,
and
.
,
and
.