Match the vocab word

1). Algebraic expression - a letter or symbol used to represent an unknown.

2). Coefficient - a numerical value.

3). Constant - the constant preceding the variables in a product.

4). Expression - a mathematical expression containing one or more variables.

5). Variable - a mathematical phrase that cannot be determined true or false.

B: -2

Step-by-step explanation:

The reference angle for 4th-quadrant angle 330° is 30°. The sine is negative in the 4th quadrant, so ...

csc(330°) = 1/sin(-30°) = -1/sin(30°) = -1/(1/2) = -2