If the sin 0º = 0, then which statement is true? Cos 90=1 because the angles are compliments
Cos 180=1 because the angles are supplements
Cos 90=0 because the angles are complements
Cos 180=0 because the angles are supplements

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

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?  

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)