Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
A rectangular block has dimensions
l
l
l
,
w
w
w
, and
h
h
h
. If the space diagonal makes an angle
α
\alpha
α
with the horizontal base, and an angle
β
\beta
β
with the vertical edge, show that
sin
2
(
α
)
+
sin
2
(
β
)
=
1
\sin^{2}(\alpha) + \sin^{2}(\beta) = 1
sin
2
(
α
)
+
sin
2
(
β
)
=
1
.
Browse the problem library