# Chapter 1: Functions - Section 1.3 - Trigonometric Functions - Exercises 1.3 - Page 28: 23

See graph. The period $p=\frac{\pi}{2}$ and the graph is symmetric with respect to the origin.

#### Work Step by Step

The function is symmetric with respect to the origin: $s(-t)=cot(-2t)=-cot(2t)=-s(t)$

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