# Chapter 3 - Review Exercises - Page 136: 48

$-11.427$

#### Work Step by Step

$\cot3.0543=\frac{1}{\tan 0.3543}$ Ensuring that the calculator is in radian mode, type $\frac{1}{\tan 3.0543}$ into the calculator and solve: $\frac{1}{\tan 3.0543}\approx-11.427$

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