Answer:
csc 720 )
Explanation:
Rewrite
csc
(
720
)
in terms of sines and cosines.
1
sin
(
720
)
Remove full rotations of
360
° until the angle is between
0
° and
360
°.
1
sin
(
0
)
The exact value of
sin
(
0
)
is
0
.
1
0
The expression contains a division by
0
The expression is undefined.
Undefined