The sum of three consecutive even integers is 30 more than the largest

What basic trigonometric identity would you use to verify that sin x cos x tan x =1-cos^(2)x?

1. what is the phythaforean theorem? 2.what do we use it for? 1.what is the distance formula ? 2.what do we use it for?

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?