It says, state the reciprocal and inverse functions for sin(x) cos(x) and tan(x) would dat just be 1/sin(x) aka csc(x) and so on then for the inverse would it just be sin^-1(x) and so on?

The dance committee of pine bluff middle school earns $72 from a bake sale and will earn $4 for each ticket they sell to the spring fling dance. the dance will cost $400 write an inequality to determine the number, t of tickets the committee could sell to have money left over after they pay for this year's dance. what is the solution set of the inequality?