Can somebody please explain why y = -x is equivalent to r sin(θ) = r cos(θ) instead of r sin(θ) = - r cos(θ) ? Thank you.

What two elements normally must exist before a person can be held liable for a crime

If a team of three workers, each making the u. s. federal minimum wage, produced these 12 rugs, what would the total labor cost be? don't forget that these workers would be working overtime.

As related to a company completing the purchase to pay process, is there an accounting journal entry "behind the scenes" when xyz company pays for the goods within 10 days of the invoice (gross method is used for discounts and terms are 2/10 net 30) that updates the general ledger?