Verify: csc^2(x)-2csc(x)cot(x)+cot^2(x)=tan ^2(x/2)

Subtract 8 1/6 - 4 5/6 . simplify the answer and write as a mixed number.

Ahome improvement store rents it’s delivery truck for $19 for the first 75 minutes and $4.75 for each additional 1/4 hour. if a customer rented the truck at 11: 10 am and returned the truck at 1: 40 pm the same day, what would his rental cost be?

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