## Trigonometry 7th Edition

Published by Cengage Learning

# Chapter 1 - Section 1.2 - The Rectangular Coordinate System - 1.2 Problem Set - Page 25: 44

#### Answer

First Base $\,(30\sqrt{2},-30\sqrt{2})$ Third Base $\,(30\sqrt{2},30\sqrt{2})$

#### Work Step by Step

We need to calculate $a$ in the figure $$a = 60\times\cos{(45^\circ)}= 30\sqrt{2}$$ $\therefore$ First Base $\,(30\sqrt{2},-30\sqrt{2})\,\,\,\,\,\&$ Third Base $\,(30\sqrt{2},30\sqrt{2})$

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