# Chapter 13 - Section 13.1 - Trigonometric Ratios - Exercise - Page 454: 56

$66.7^\circ$

#### Work Step by Step

To find the angle, we use the inverse tan function on the calculator, making sure the calculator is in degrees mode: $$\tan B=2.316\Longrightarrow B=\tan^{-1} 2.316=66.7^\circ .$$

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