Answer:
1
Step-by-step explanation:
Using the definition
n =
where n! = n(n - 1)(n - 2) × 3 × 2 × 1
and 0! = 1
3
=
= = 1
9.75
Okay
Answer:5π/12
180°=π
75°=x
x=75π ➗ 180
x=5π/12
78/12 or 6 1/2