Rewrite with only sin x and cos x. sin 3x - cos x

2 sin x - sin3x - cos x
2 sin x cos2x + sin x - 2 sin3x - cos x
2 sin3x cos4x + 1
3 sin x cos x - sin3x - cos x

wholesale price is the initial price before markup. retail price comes after the markup.

a price of 8 bucks that's marked up by 100%   is

formula: initial price + (percent markup in fraction/decimal)(initial price)

8+(1)(8)

8+8

16

retail price is $16.

52 \43 i don't know this i tried