If n is an integer, n · 180° represents an integer multiple of 180°, and (2n + 1) · 90° represents an odd integer multiple of
90°. Decide whether the expression is equal to 0, 1, -1, or is undefined.
-tan(n · 180°)
A)0
B)1
C)Undefined
D)-1

Question

Quizplus · Accepted Answer

The tangent of any integer multiple of 180° is 0 because tan(180°) = 0 and the tangent function has a period of 180°.

If N Is an Integer, N · 180° Represents an Integer