## Trigonometry (10th Edition)

Published by Pearson

# Chapter 2 - Acute Angles and Right Triangles - Section 2.1 Trigonometric Functions of Acute Angles - 2.1 Exercises: 72

#### Answer

The student's answer was not the EXACT answer since it is rational.

#### Work Step by Step

$\sin$ 45$^{\circ}$ = $\frac{1}{\sqrt2}$ $\frac{1}{\sqrt2}$ is irrational. Meaning that it does not have a finite set of digits. 0.7071067812 is rational. This means that the student's answer was not the EXACT answer since it is rational.

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