The length of hypotenuse of a right triangle is
.
One of the angle is
.
Trigonometric function :
.
Consider the length of opposite side as
.
Consider the length of adjacent side as
.
.
Trigonometric function :
.

.
The length of opposite side is
.
The length of adjacent side is
.
The length of opposite side is
.
The length of adjacent side is
.