Consider the following trigonometric expressions: 1. sin(2π+x)
2. sin(-2π+x)
3. sin(-x)
4. -sin(x)

If sinx=A, which of the above expressions is not equal to A for all values of x.

1) 3 and 4
2) 1
3) 2
4) 4
5) 1,2,3,4
6) 1 and 2
7) 1,2,3
8) 3

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.