Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 9 - Section 9.5 - Parametric Equations - Concept and Vocabulary Check - Page 1019: 3


$sin(t)$, $cos(t)$, $sin^2t+cos^2=1$

Work Step by Step

With the given pair of parametric equations, we can isolate $sin(t)$ and $cos(t)$, use the identity $sin^2t+cos^2=1$, and add the square of the two isolated equations to eliminate the parameter $t$.
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