1. determine precise values for the following o sin (-309) o cos (-60°) 2. use special triangles to show that the following are true o sin (225) sin (-459) o cos (30)cos (-309) 3. prove the following identities: o cott sint cost

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax

If it 8 inch candle burns at 7/10 inch per hour and a 6 inch candle burns at 1/5 inch per hour after how many hours would both candles be the same height