\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
Courses
About
Login
Register
C
⌫
\(\pi\)
e
\(\frac{a}{b}\)
!
←
→
(
)
\(\sqrt{\,}\)
\(a^{b}\)
7
8
9
\(\div\)
log
ln
4
5
6
\(\times\)
cos
cos⁻¹
1
2
3
-
sin
sin⁻¹
0
.
=
+
tan
tan⁻¹
For the triangular roof truss illustrated, find the length of a rafter if the beam is \(13.8\) m and the pitch is \(20^\circ\).
7
8
9
4
5
6
1
2
3
C
0
.
m (round to 2 decimal places)
Exit