Answer:
360,000
Step-by-step explanation:
The exclamation point is factorial:
9! = 9×8×7×6×5×4×3×2×1 = 362880
5! = 5×4×3×2×1 = 120
4! = 4×3×2×1 = 24
362880 - 120× 24 = 360000
Answer:
8x3=24?
Step-by-step explanation:
I am confused by what the question is asking
Answer:
None
Step-by-step explanation:
6. x = 28
7. x = -23
8. x = 9
let me know if i missed one.
Cosx= sin(90-x)
From the RHS,
sin(90-x)= sin90cosx-cos90sinx
Since sin90=1, cos90=0
sin90cosx-cos90sinx=cosx-0=cosx (proven)