Answer:
6
Step-by-step explanation:
n ! = n(n - 1)(n - 2)..... × 3 × 2 × 1
Given
(n - 1) ! with n = 4, then
(4 - 1) !
= 3 ! = 3 × 2 × 1 = 6
You can just use sine.
Sin(F) = opposite/hypotenuse = 28/40.
F =

(28/40)
Plug into your calculator.
44.4
Answer:
ejre' fe trerxto fno
Step-by-step explanation: