Answer:
<em>8,748 </em>
Step-by-step explanation:
f(x) =
<em>f(6)</em> =
= 12 × 9³ = 12 × 729 = <em>8,748</em>
The double angle formula for the sine is

The right hand side is exactly your expression, where 
So, rewriting the expression from right to left, we have

That is going to be 48 for the first question because 6x8 equals 48
Answer:
4 pieces
Step-by-step explanation:
This is because 3 add 1 makes 4 and 8 minus 4 makes 4